53515445125105 has 32 divisors (see below), whose sum is σ = 67208063754240. Its totient is φ = 40857751779840.

The previous prime is 53515445125091. The next prime is 53515445125111. The reversal of 53515445125105 is 50152154451535.

It is not a de Polignac number, because 53515445125105 - 2²³ = 53515436736497 is a prime.

It is a super-2 number, since 2×53515445125105² (a number of 28 digits) contains 22 as substring.

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, 77378464 + ... + 78067006.

It is an arithmetic number, because the mean of its divisors is an integer number (2100251992320).

Almost surely, 2^{53515445125105} is an apocalyptic number.

It is an amenable number.

53515445125105 is a deficient number, since it is larger than the sum of its proper divisors (13692618629135).

53515445125105 is a wasteful number, since it uses less digits than its factorization.

53515445125105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695521.

The product of its (nonzero) digits is 1500000, while the sum is 46.

The spelling of 53515445125105 in words is "fifty-three trillion, five hundred fifteen billion, four hundred forty-five million, one hundred twenty-five thousand, one hundred five".