51411817630 has 32 divisors (see below), whose sum is σ = 95828002560. Its totient is φ = 19838530560.

The previous prime is 51411817609. The next prime is 51411817669. The reversal of 51411817630 is 3671811415.

It is a happy number.

51411817630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51411817630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163315 + ... + 359854.

It is an arithmetic number, because the mean of its divisors is an integer number (2994625080).

Almost surely, 2^51411817630 is an apocalyptic number.

51411817630 is a deficient number, since it is larger than the sum of its proper divisors (44416184930).

51411817630 is a wasteful number, since it uses less digits than its factorization.

51411817630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523524.

The product of its (nonzero) digits is 20160, while the sum is 37.

The spelling of 51411817630 in words is "fifty-one billion, four hundred eleven million, eight hundred seventeen thousand, six hundred thirty".