53110012505 has 16 divisors (see below), whose sum is σ = 69532124544. Its totient is φ = 38621969280.

The previous prime is 53110012453. The next prime is 53110012531. The reversal of 53110012505 is 50521001135.

It is a happy number.

It is not a de Polignac number, because 53110012505 - 2¹⁰ = 53110011481 is a prime.

It is a Duffinian 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, 676877 + ... + 751253.

It is an arithmetic number, because the mean of its divisors is an integer number (4345757784).

Almost surely, 2^53110012505 is an apocalyptic number.

53110012505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53110012505 is a deficient number, since it is larger than the sum of its proper divisors (16422112039).

53110012505 is a wasteful number, since it uses less digits than its factorization.

53110012505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87376.

The product of its (nonzero) digits is 750, while the sum is 23.

The spelling of 53110012505 in words is "fifty-three billion, one hundred ten million, twelve thousand, five hundred five".