51066541026502 has 32 divisors (see below), whose sum is σ = 77482390155264. Its totient is φ = 25240733870400.

The previous prime is 51066541026443. The next prime is 51066541026517. The reversal of 51066541026502 is 20562014566015.

It is a super-2 number, since 2×51066541026502² (a number of 28 digits) contains 22 as substring.

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, 149153803 + ... + 149495785.

It is an arithmetic number, because the mean of its divisors is an integer number (2421324692352).

Almost surely, 2^{51066541026502} is an apocalyptic number.

51066541026502 is a deficient number, since it is larger than the sum of its proper divisors (26415849128762).

51066541026502 is a wasteful number, since it uses less digits than its factorization.

51066541026502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344404.

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 51066541026502 in words is "fifty-one trillion, sixty-six billion, five hundred forty-one million, twenty-six thousand, five hundred two".