251061080036 has 48 divisors (see below), whose sum is σ = 497329628544. Its totient is φ = 110027233536.

The previous prime is 251061079993. The next prime is 251061080041. The reversal of 251061080036 is 630080160152.

It is a happy number.

251061080036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×251061080036² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 251061079984 and 251061080011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602270 + ... + 929973.

It is an arithmetic number, because the mean of its divisors is an integer number (10361033928).

Almost surely, 2^251061080036 is an apocalyptic number.

251061080036 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

251061080036 is a deficient number, since it is larger than the sum of its proper divisors (246268548508).

251061080036 is a wasteful number, since it uses less digits than its factorization.

251061080036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532420 (or 1532418 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 251061080036 in words is "two hundred fifty-one billion, sixty-one million, eighty thousand, thirty-six".