15250122016 has 24 divisors (see below), whose sum is σ = 30289381164. Its totient is φ = 7557580800.

The previous prime is 15250121993. The next prime is 15250122049. The reversal of 15250122016 is 61022105251.

It can be written as a sum of positive squares in 2 ways, for example, as 15179225616 + 70896400 = 123204^2 + 8420^2 .

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, 2105085 + ... + 2112316.

Almost surely, 2^15250122016 is an apocalyptic number.

15250122016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15250122016 is a deficient number, since it is larger than the sum of its proper divisors (15039259148).

15250122016 is a wasteful number, since it uses less digits than its factorization.

15250122016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4217524 (or 4217516 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 15250122016 its reverse (61022105251), we get a palindrome (76272227267).

The spelling of 15250122016 in words is "fifteen billion, two hundred fifty million, one hundred twenty-two thousand, sixteen".