51345155566614 has 64 divisors (see below), whose sum is σ = 128967423782400. Its totient is φ = 13541579483040.

The previous prime is 51345155566577. The next prime is 51345155566651. The reversal of 51345155566614 is 41666555154315.

It is an interprime number because it is at equal distance from previous prime (51345155566577) and next prime (51345155566651).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 959552292 + ... + 959605799.

It is an arithmetic number, because the mean of its divisors is an integer number (2015115996600).

Almost surely, 2^{51345155566614} is an apocalyptic number.

51345155566614 is an abundant number, since it is smaller than the sum of its proper divisors (77622268215786).

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

51345155566614 is a wasteful number, since it uses less digits than its factorization.

51345155566614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919158130 (or 1919158116 counting only the distinct ones).

The product of its digits is 32400000, while the sum is 57.

The spelling of 51345155566614 in words is "fifty-one trillion, three hundred forty-five billion, one hundred fifty-five million, five hundred sixty-six thousand, six hundred fourteen".