266512945825 has 12 divisors (see below), whose sum is σ = 377686917760. Its totient is φ = 182751734160.

The previous prime is 266512945789. The next prime is 266512945837. The reversal of 266512945825 is 528549215662.

It is not a de Polignac number, because 266512945825 - 2⁷ = 266512945697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 761465385 + ... + 761465734.

Almost surely, 2^266512945825 is an apocalyptic number.

266512945825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

266512945825 is a deficient number, since it is larger than the sum of its proper divisors (111173971935).

266512945825 is a wasteful number, since it uses less digits than its factorization.

266512945825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522931136 (or 1522931131 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 55.

The spelling of 266512945825 in words is "two hundred sixty-six billion, five hundred twelve million, nine hundred forty-five thousand, eight hundred twenty-five".