51051055156 has 12 divisors (see below), whose sum is σ = 89430237792. Its totient is φ = 25499558648.

The previous prime is 51051055079. The next prime is 51051055171. The reversal of 51051055156 is 65155015015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6487810 + ... + 6495673.

It is an arithmetic number, because the mean of its divisors is an integer number (7452519816).

Almost surely, 2^51051055156 is an apocalyptic number.

It is an amenable number.

51051055156 is a deficient number, since it is larger than the sum of its proper divisors (38379182636).

51051055156 is a wasteful number, since it uses less digits than its factorization.

51051055156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12984470 (or 12984468 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 51051055156 in words is "fifty-one billion, fifty-one million, fifty-five thousand, one hundred fifty-six".