51211856602354 has 16 divisors (see below), whose sum is σ = 87824281752000. Its totient is φ = 21939806649744.

The previous prime is 51211856602337. The next prime is 51211856602367. The reversal of 51211856602354 is 45320665811215.

It is a junction number, because it is equal to n+sod(n) for n = 51211856602298 and 51211856602307.

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, 677618709 + ... + 677694280.

It is an arithmetic number, because the mean of its divisors is an integer number (5489017609500).

Almost surely, 2^{51211856602354} is an apocalyptic number.

51211856602354 is a deficient number, since it is larger than the sum of its proper divisors (36612425149646).

51211856602354 is a wasteful number, since it uses less digits than its factorization.

51211856602354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355315697.

The product of its (nonzero) digits is 1728000, while the sum is 49.

The spelling of 51211856602354 in words is "fifty-one trillion, two hundred eleven billion, eight hundred fifty-six million, six hundred two thousand, three hundred fifty-four".