11495270655 has 192 divisors, whose sum is σ = 24148938240. Its totient is φ = 5141491200.

The previous prime is 11495270651. The next prime is 11495270659. The reversal of 11495270655 is 55607259411.

It is a happy number.

11495270655 is a `hidden beast` number, since 114 + 9 + 527 + 0 + 6 + 5 + 5 = 666.

It is a Cunningham number, because it is equal to 107216²-1.

It is an interprime number because it is at equal distance from previous prime (11495270651) and next prime (11495270659).

It is not a de Polignac number, because 11495270655 - 2² = 11495270651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

11495270655 is a modest number, since divided by 270655 gives 11495 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 11495270655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11495270651) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 21979224 + ... + 21979746.

It is an arithmetic number, because the mean of its divisors is an integer number (125775720).

Almost surely, 2^11495270655 is an apocalyptic number.

11495270655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11495270655 is an abundant number, since it is smaller than the sum of its proper divisors (12653667585).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11495270655 is a wasteful number, since it uses less digits than its factorization.

11495270655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The spelling of 11495270655 in words is "eleven billion, four hundred ninety-five million, two hundred seventy thousand, six hundred fifty-five".