1165615240125 has 96 divisors (see below), whose sum is σ = 2277340790400. Its totient is φ = 527871859200.

The previous prime is 1165615240117. The next prime is 1165615240129. The reversal of 1165615240125 is 5210425165611.

It is not a de Polignac number, because 1165615240125 - 2³ = 1165615240117 is a prime.

It is a super-2 number, since 2×1165615240125² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165615240129) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1669701 + ... + 2262549.

It is an arithmetic number, because the mean of its divisors is an integer number (23722299900).

Almost surely, 2^{1165615240125} is an apocalyptic number.

1165615240125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1165615240125 is a deficient number, since it is larger than the sum of its proper divisors (1111725550275).

1165615240125 is a wasteful number, since it uses less digits than its factorization.

1165615240125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592988 (or 592971 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 39.

The spelling of 1165615240125 in words is "one trillion, one hundred sixty-five billion, six hundred fifteen million, two hundred forty thousand, one hundred twenty-five".