265145106636556 has 6 divisors (see below), whose sum is σ = 464003936613980. Its totient is φ = 132572553318276.

The previous prime is 265145106636479. The next prime is 265145106636593. The reversal of 265145106636556 is 655636601541562.

It is a super-2 number, since 2×265145106636556² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 265145106636494 and 265145106636503.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33143138329566 + ... + 33143138329573.

Almost surely, 2^{265145106636556} is an apocalyptic number.

It is an amenable number.

265145106636556 is a deficient number, since it is larger than the sum of its proper divisors (198858829977424).

265145106636556 is a wasteful number, since it uses less digits than its factorization.

265145106636556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66286276659143 (or 66286276659141 counting only the distinct ones).

The product of its (nonzero) digits is 116640000, while the sum is 61.

The spelling of 265145106636556 in words is "two hundred sixty-five trillion, one hundred forty-five billion, one hundred six million, six hundred thirty-six thousand, five hundred fifty-six".