51480781350174 has 60 divisors (see below), whose sum is σ = 126795257818152. Its totient is φ = 15600236766840.

The previous prime is 51480781350161. The next prime is 51480781350227. The reversal of 51480781350174 is 47105318708415.

It is a happy number.

51480781350174 is a `hidden beast` number, since 5 + 1 + 48 + 0 + 7 + 81 + 350 + 174 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 51480781350174.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1313131642 + ... + 1313170845.

Almost surely, 2^{51480781350174} is an apocalyptic number.

51480781350174 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

51480781350174 is an abundant number, since it is smaller than the sum of its proper divisors (75314476467978).

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

51480781350174 is a wasteful number, since it uses less digits than its factorization.

51480781350174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626302523 (or 2626302503 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 54.

The spelling of 51480781350174 in words is "fifty-one trillion, four hundred eighty billion, seven hundred eighty-one million, three hundred fifty thousand, one hundred seventy-four".