251053031120054 has 16 divisors (see below), whose sum is σ = 376624458432000. Its totient is φ = 125511545501760.

The previous prime is 251053031120053. The next prime is 251053031120083. The reversal of 251053031120054 is 450021130350152.

It is a self number, because there is not a number n which added to its sum of digits gives 251053031120054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251053031120053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1349705282 + ... + 1349891274.

It is an arithmetic number, because the mean of its divisors is an integer number (23539028652000).

Almost surely, 2^{251053031120054} is an apocalyptic number.

251053031120054 is a deficient number, since it is larger than the sum of its proper divisors (125571427311946).

251053031120054 is a wasteful number, since it uses less digits than its factorization.

251053031120054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262855.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 251053031120054 in words is "two hundred fifty-one trillion, fifty-three billion, thirty-one million, one hundred twenty thousand, fifty-four".