51053156646513 has 16 divisors (see below), whose sum is σ = 77795416813440. Its totient is φ = 29173183433856.

The previous prime is 51053156646509. The next prime is 51053156646523. The reversal of 51053156646513 is 31564665135015.

It is not a de Polignac number, because 51053156646513 - 2² = 51053156646509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51053156646523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13550173 + ... + 16903061.

It is an arithmetic number, because the mean of its divisors is an integer number (4862213550840).

Almost surely, 2^{51053156646513} is an apocalyptic number.

It is an amenable number.

51053156646513 is a deficient number, since it is larger than the sum of its proper divisors (26742260166927).

51053156646513 is a wasteful number, since it uses less digits than its factorization.

51053156646513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077976.

The product of its (nonzero) digits is 4860000, while the sum is 51.

The spelling of 51053156646513 in words is "fifty-one trillion, fifty-three billion, one hundred fifty-six million, six hundred forty-six thousand, five hundred thirteen".