5100555861 has 12 divisors (see below), whose sum is σ = 7372404000. Its totient is φ = 3398093160.

The previous prime is 5100555851. The next prime is 5100555881. The reversal of 5100555861 is 1685550015.

It is not a de Polignac number, because 5100555861 - 2¹⁷ = 5100424789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5100555821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175545 + ... + 202526.

It is an arithmetic number, because the mean of its divisors is an integer number (614367000).

Almost surely, 2^5100555861 is an apocalyptic number.

It is an amenable number.

5100555861 is a deficient number, since it is larger than the sum of its proper divisors (2271848139).

5100555861 is a wasteful number, since it uses less digits than its factorization.

5100555861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379576 (or 379573 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 36.

The square root of 5100555861 is about 71418.1759848290. The cubic root of 5100555861 is about 1721.3631546561.

The spelling of 5100555861 in words is "five billion, one hundred million, five hundred fifty-five thousand, eight hundred sixty-one".