11666255634025 has 48 divisors (see below), whose sum is σ = 15014218903488. Its totient is φ = 8984869920000.

The previous prime is 11666255634017. The next prime is 11666255634053. The reversal of 11666255634025 is 52043655266611.

It is not a de Polignac number, because 11666255634025 - 2³ = 11666255634017 is a prime.

It is a super-2 number, since 2×11666255634025² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142992894 + ... + 143074456.

It is an arithmetic number, because the mean of its divisors is an integer number (312796227156).

Almost surely, 2^{11666255634025} is an apocalyptic number.

It is an amenable number.

11666255634025 is a deficient number, since it is larger than the sum of its proper divisors (3347963269463).

11666255634025 is a wasteful number, since it uses less digits than its factorization.

11666255634025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83242 (or 83237 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 52.

The spelling of 11666255634025 in words is "eleven trillion, six hundred sixty-six billion, two hundred fifty-five million, six hundred thirty-four thousand, twenty-five".