265120667745 has 16 divisors (see below), whose sum is σ = 446519019840. Its totient is φ = 133955705664.

The previous prime is 265120667741. The next prime is 265120667813. The reversal of 265120667745 is 547766021562.

It is not a de Polignac number, because 265120667745 - 2² = 265120667741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (265120667741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465123694 + ... + 465124263.

It is an arithmetic number, because the mean of its divisors is an integer number (27907438740).

Almost surely, 2^265120667745 is an apocalyptic number.

It is an amenable number.

265120667745 is a deficient number, since it is larger than the sum of its proper divisors (181398352095).

265120667745 is a wasteful number, since it uses less digits than its factorization.

265120667745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930247984.

The product of its (nonzero) digits is 4233600, while the sum is 51.

The spelling of 265120667745 in words is "two hundred sixty-five billion, one hundred twenty million, six hundred sixty-seven thousand, seven hundred forty-five".