1165495251060 has 720 divisors, whose sum is σ = 4455856944000. Its totient is φ = 249764622336.

The previous prime is 1165495251049. The next prime is 1165495251073. The reversal of 1165495251060 is 601525945611.

1165495251060 is a `hidden beast` number, since 1 + 1 + 6 + 54 + 9 + 525 + 10 + 60 = 666.

It is a super-2 number, since 2×1165495251060² (a number of 25 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1165495250997 and 1165495251015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 1143763231 + ... + 1143764249.

It is an arithmetic number, because the mean of its divisors is an integer number (6188690200).

Almost surely, 2^{1165495251060} is an apocalyptic number.

1165495251060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1165495251060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2227928472000).

1165495251060 is an abundant number, since it is smaller than the sum of its proper divisors (3290361692940).

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

1165495251060 is a wasteful number, since it uses less digits than its factorization.

1165495251060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430 (or 1402 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The spelling of 1165495251060 in words is "one trillion, one hundred sixty-five billion, four hundred ninety-five million, two hundred fifty-one thousand, sixty".