11051666365540 has 24 divisors (see below), whose sum is σ = 23216494150080. Its totient is φ = 4419143730528.

The previous prime is 11051666365489. The next prime is 11051666365549. The reversal of 11051666365540 is 4556366615011.

It is a super-2 number, since 2×11051666365540² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11051666365549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95116470 + ... + 95232589.

It is an arithmetic number, because the mean of its divisors is an integer number (967353922920).

Almost surely, 2^{11051666365540} is an apocalyptic number.

11051666365540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11051666365540 is an abundant number, since it is smaller than the sum of its proper divisors (12164827784540).

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

11051666365540 is a wasteful number, since it uses less digits than its factorization.

11051666365540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190351971 (or 190351969 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 49.

The spelling of 11051666365540 in words is "eleven trillion, fifty-one billion, six hundred sixty-six million, three hundred sixty-five thousand, five hundred forty".