53315602512681 has 16 divisors (see below), whose sum is σ = 71125438464000. Its totient is φ = 35524754207760.

The previous prime is 53315602512647. The next prime is 53315602512791. The reversal of 53315602512681 is 18621520651335.

It is not a de Polignac number, because 53315602512681 - 2⁹ = 53315602512169 is a prime.

It is a super-2 number, since 2×53315602512681² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53315602512681.

It is not an unprimeable number, because it can be changed into a prime (53315602512631) 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, 62710570 + ... + 63555068.

It is an arithmetic number, because the mean of its divisors is an integer number (4445339904000).

Almost surely, 2^{53315602512681} is an apocalyptic number.

It is an amenable number.

53315602512681 is a deficient number, since it is larger than the sum of its proper divisors (17809835951319).

53315602512681 is a wasteful number, since it uses less digits than its factorization.

53315602512681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855716.

The product of its (nonzero) digits is 1296000, while the sum is 48.

The spelling of 53315602512681 in words is "fifty-three trillion, three hundred fifteen billion, six hundred two million, five hundred twelve thousand, six hundred eighty-one".