15015140122 has 16 divisors (see below), whose sum is σ = 22559306112. Its totient is φ = 7495384000.

The previous prime is 15015140087. The next prime is 15015140207. The reversal of 15015140122 is 22104151051.

It is a junction number, because it is equal to n+sod(n) for n = 15015140093 and 15015140102.

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, 4616997 + ... + 4620247.

It is an arithmetic number, because the mean of its divisors is an integer number (1409956632).

Almost surely, 2^15015140122 is an apocalyptic number.

15015140122 is a deficient number, since it is larger than the sum of its proper divisors (7544165990).

15015140122 is a wasteful number, since it uses less digits than its factorization.

15015140122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6293.

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 15015140122 its reverse (22104151051), we get a palindrome (37119291173).

The spelling of 15015140122 in words is "fifteen billion, fifteen million, one hundred forty thousand, one hundred twenty-two".