51611444631202 has 16 divisors (see below), whose sum is σ = 79228757615040. Its totient is φ = 25202028326832.

The previous prime is 51611444631179. The next prime is 51611444631211. The reversal of 51611444631202 is 20213644411615.

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, 41779473 + ... + 42997060.

It is an arithmetic number, because the mean of its divisors is an integer number (4951797350940).

Almost surely, 2^{51611444631202} is an apocalyptic number.

51611444631202 is a deficient number, since it is larger than the sum of its proper divisors (27617312983838).

51611444631202 is a wasteful number, since it uses less digits than its factorization.

51611444631202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84783657.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 51611444631202 in words is "fifty-one trillion, six hundred eleven billion, four hundred forty-four million, six hundred thirty-one thousand, two hundred two".