15225938708 has 12 divisors (see below), whose sum is σ = 26646267732. Its totient is φ = 7612719360.

The previous prime is 15225938677. The next prime is 15225938723. The reversal of 15225938708 is 80783952251.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6111799684 + 9114139024 = 78178^2 + 95468^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173828 + ... + 246308.

It is an arithmetic number, because the mean of its divisors is an integer number (2220522311).

Almost surely, 2^15225938708 is an apocalyptic number.

It is an amenable number.

15225938708 is a deficient number, since it is larger than the sum of its proper divisors (11420329024).

15225938708 is a wasteful number, since it uses less digits than its factorization.

15225938708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125002 (or 125000 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 15225938708 in words is "fifteen billion, two hundred twenty-five million, nine hundred thirty-eight thousand, seven hundred eight".