120136116265 has 24 divisors (see below), whose sum is σ = 158539872960. Its totient is φ = 87327973920.

The previous prime is 120136116251. The next prime is 120136116313. The reversal of 120136116265 is 562611631021.

It is a de Polignac number, because none of the positive numbers 2^k-120136116265 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120136116265.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1184902 + ... + 1282288.

It is an arithmetic number, because the mean of its divisors is an integer number (6605828040).

Almost surely, 2^120136116265 is an apocalyptic number.

It is an amenable number.

120136116265 is a deficient number, since it is larger than the sum of its proper divisors (38403756695).

120136116265 is a wasteful number, since it uses less digits than its factorization.

120136116265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99453 (or 99442 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

Adding to 120136116265 its reverse (562611631021), we get a palindrome (682747747286).

The spelling of 120136116265 in words is "one hundred twenty billion, one hundred thirty-six million, one hundred sixteen thousand, two hundred sixty-five".