51290155271466 has 24 divisors (see below), whose sum is σ = 111135816440064. Its totient is φ = 17095618933800.

The previous prime is 51290155271401. The next prime is 51290155271473. The reversal of 51290155271466 is 66417255109215.

51290155271466 is a `hidden beast` number, since 5 + 1 + 2 + 9 + 0 + 155 + 27 + 1 + 466 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91336476 + ... + 91896311.

It is an arithmetic number, because the mean of its divisors is an integer number (4630659018336).

Almost surely, 2^{51290155271466} is an apocalyptic number.

51290155271466 is an abundant number, since it is smaller than the sum of its proper divisors (59845661168598).

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

51290155271466 is a wasteful number, since it uses less digits than its factorization.

51290155271466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183248346 (or 183248343 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 54.

The spelling of 51290155271466 in words is "fifty-one trillion, two hundred ninety billion, one hundred fifty-five million, two hundred seventy-one thousand, four hundred sixty-six".