75408157265 has 32 divisors (see below), whose sum is σ = 109166400000. Its totient is φ = 49925367744.

The previous prime is 75408157261. The next prime is 75408157289. The reversal of 75408157265 is 56275180457.

It is not a de Polignac number, because 75408157265 - 2² = 75408157261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75408157261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 708365 + ... + 807834.

It is an arithmetic number, because the mean of its divisors is an integer number (3411450000).

Almost surely, 2^75408157265 is an apocalyptic number.

It is an amenable number.

75408157265 is a deficient number, since it is larger than the sum of its proper divisors (33758242735).

75408157265 is a wasteful number, since it uses less digits than its factorization.

75408157265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516254 (or 1516240 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 50.

The spelling of 75408157265 in words is "seventy-five billion, four hundred eight million, one hundred fifty-seven thousand, two hundred sixty-five".