251262141006 has 16 divisors (see below), whose sum is σ = 505896930000. Its totient is φ = 83191939008.

The previous prime is 251262140981. The next prime is 251262141037. The reversal of 251262141006 is 600141262152.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140526031 + ... + 140527818.

It is an arithmetic number, because the mean of its divisors is an integer number (31618558125).

Almost surely, 2^251262141006 is an apocalyptic number.

251262141006 is an abundant number, since it is smaller than the sum of its proper divisors (254634788994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

251262141006 is a wasteful number, since it uses less digits than its factorization.

251262141006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281054003.

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 251262141006 in words is "two hundred fifty-one billion, two hundred sixty-two million, one hundred forty-one thousand, six".