15245419172 has 24 divisors (see below), whose sum is σ = 28068867960. Its totient is φ = 7235792640.

The previous prime is 15245419169. The next prime is 15245419181. The reversal of 15245419172 is 27191454251.

It can be written as a sum of positive squares in 4 ways, for example, as 1168545856 + 14076873316 = 34184^2 + 118646^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1250147 + ... + 1262282.

It is an arithmetic number, because the mean of its divisors is an integer number (1169536165).

Almost surely, 2^15245419172 is an apocalyptic number.

It is an amenable number.

15245419172 is a deficient number, since it is larger than the sum of its proper divisors (12823448788).

15245419172 is a wasteful number, since it uses less digits than its factorization.

15245419172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512511 (or 2512509 counting only the distinct ones).

The product of its digits is 100800, while the sum is 41.

The spelling of 15245419172 in words is "fifteen billion, two hundred forty-five million, four hundred nineteen thousand, one hundred seventy-two".