251402750152 has 32 divisors (see below), whose sum is σ = 473507697600. Its totient is φ = 125134974144.

The previous prime is 251402750107. The next prime is 251402750171. The reversal of 251402750152 is 251057204152.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2095783 + ... + 2212489.

It is an arithmetic number, because the mean of its divisors is an integer number (14797115550).

Almost surely, 2^251402750152 is an apocalyptic number.

It is an amenable number.

251402750152 is a deficient number, since it is larger than the sum of its proper divisors (222104947448).

251402750152 is a wasteful number, since it uses less digits than its factorization.

251402750152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117925 (or 117921 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The spelling of 251402750152 in words is "two hundred fifty-one billion, four hundred two million, seven hundred fifty thousand, one hundred fifty-two".