15625540122 has 32 divisors (see below), whose sum is σ = 32001446400. Its totient is φ = 5083631280.

The previous prime is 15625540097. The next prime is 15625540193. The reversal of 15625540122 is 22104552651.

15625540122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339297 + ... + 382587.

It is an arithmetic number, because the mean of its divisors is an integer number (1000045200).

Almost surely, 2^15625540122 is an apocalyptic number.

15625540122 is an abundant number, since it is smaller than the sum of its proper divisors (16375906278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15625540122 is a wasteful number, since it uses less digits than its factorization.

15625540122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44738.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 15625540122 in words is "fifteen billion, six hundred twenty-five million, five hundred forty thousand, one hundred twenty-two".