525161749099 has 24 divisors (see below), whose sum is σ = 596334428640. Its totient is φ = 461636727552.

The previous prime is 525161749093. The next prime is 525161749129. The reversal of 525161749099 is 990947161525.

It is not a de Polignac number, because 525161749099 - 2⁵ = 525161749067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (525161749093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376159 + ... + 1091704.

It is an arithmetic number, because the mean of its divisors is an integer number (24847267860).

Almost surely, 2^525161749099 is an apocalyptic number.

525161749099 is a deficient number, since it is larger than the sum of its proper divisors (71172679541).

525161749099 is a wasteful number, since it uses less digits than its factorization.

525161749099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467991 (or 1467978 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 58.

The spelling of 525161749099 in words is "five hundred twenty-five billion, one hundred sixty-one million, seven hundred forty-nine thousand, ninety-nine".