15215074401 has 16 divisors (see below), whose sum is σ = 20509872768. Its totient is φ = 10032048000.

The previous prime is 15215074363. The next prime is 15215074529. The reversal of 15215074401 is 10447051251.

15215074401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15215074401 - 2⁶ = 15215074337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15215074601) by changing a digit.

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, 257116 + ... + 310706.

It is an arithmetic number, because the mean of its divisors is an integer number (1281867048).

Almost surely, 2^15215074401 is an apocalyptic number.

It is an amenable number.

15215074401 is a deficient number, since it is larger than the sum of its proper divisors (5294798367).

15215074401 is a wasteful number, since it uses less digits than its factorization.

15215074401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54632.

The product of its (nonzero) digits is 5600, while the sum is 30.

The spelling of 15215074401 in words is "fifteen billion, two hundred fifteen million, seventy-four thousand, four hundred one".