251379206132 has 12 divisors (see below), whose sum is σ = 440581162560. Its totient is φ = 125498873976.

The previous prime is 251379206101. The next prime is 251379206179. The reversal of 251379206132 is 231602973152.

It is a self number, because there is not a number n which added to its sum of digits gives 251379206132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47679308 + ... + 47684579.

It is an arithmetic number, because the mean of its divisors is an integer number (36715096880).

Almost surely, 2^251379206132 is an apocalyptic number.

It is an amenable number.

251379206132 is a deficient number, since it is larger than the sum of its proper divisors (189201956428).

251379206132 is a wasteful number, since it uses less digits than its factorization.

251379206132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95364550 (or 95364548 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 251379206132 in words is "two hundred fifty-one billion, three hundred seventy-nine million, two hundred six thousand, one hundred thirty-two".