51400622503365 has 16 divisors (see below), whose sum is σ = 82272373785216. Its totient is φ = 27403206075200.

The previous prime is 51400622503289. The next prime is 51400622503379. The reversal of 51400622503365 is 56330522600415.

It is a happy number.

It is not a de Polignac number, because 51400622503365 - 2¹⁵ = 51400622470597 is a prime.

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, 653663121 + ... + 653741750.

It is an arithmetic number, because the mean of its divisors is an integer number (5142023361576).

Almost surely, 2^{51400622503365} is an apocalyptic number.

It is an amenable number.

51400622503365 is a deficient number, since it is larger than the sum of its proper divisors (30871751281851).

51400622503365 is a wasteful number, since it uses less digits than its factorization.

51400622503365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307407500.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 51400622503365 in words is "fifty-one trillion, four hundred billion, six hundred twenty-two million, five hundred three thousand, three hundred sixty-five".