525551155525 has 48 divisors (see below), whose sum is σ = 720536739840. Its totient is φ = 377086449600.

The previous prime is 525551155447. The next prime is 525551155537.

525551155525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 525551155525 - 2⁹ = 525551155013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6209542 + ... + 6293608.

It is an arithmetic number, because the mean of its divisors is an integer number (15011182080).

Almost surely, 2^525551155525 is an apocalyptic number.

525551155525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

525551155525 is a deficient number, since it is larger than the sum of its proper divisors (194985584315).

525551155525 is a wasteful number, since it uses less digits than its factorization.

525551155525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84394 (or 84389 counting only the distinct ones).

The product of its digits is 1562500, while the sum is 46.

The spelling of 525551155525 in words is "five hundred twenty-five billion, five hundred fifty-one million, one hundred fifty-five thousand, five hundred twenty-five".