265140311016145 has 32 divisors (see below), whose sum is σ = 320441297529600. Its totient is φ = 210598214265600.

The previous prime is 265140311016143. The next prime is 265140311016149. The reversal of 265140311016145 is 541610113041562.

It is not a de Polignac number, because 265140311016145 - 2¹ = 265140311016143 is a prime.

It is a super-2 number, since 2×265140311016145² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 265140311016098 and 265140311016107.

It is not an unprimeable number, because it can be changed into a prime (265140311016143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31478128404 + ... + 31478136826.

It is an arithmetic number, because the mean of its divisors is an integer number (10013790547800).

Almost surely, 2^{265140311016145} is an apocalyptic number.

It is an amenable number.

265140311016145 is a deficient number, since it is larger than the sum of its proper divisors (55300986513455).

265140311016145 is a wasteful number, since it uses less digits than its factorization.

265140311016145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21705.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 265140311016145 in words is "two hundred sixty-five trillion, one hundred forty billion, three hundred eleven million, sixteen thousand, one hundred forty-five".