15225515401 has 8 divisors (see below), whose sum is σ = 16181068680. Its totient is φ = 14276621568.

The previous prime is 15225515399. The next prime is 15225515419. The reversal of 15225515401 is 10451552251.

15225515401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2484524025 + 12740991376 = 49845^2 + 112876^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15225515401 - 2¹ = 15225515399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15225515441) 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 7 ways as a sum of consecutive naturals, for example, 1660146 + ... + 1669291.

It is an arithmetic number, because the mean of its divisors is an integer number (2022633585).

Almost surely, 2^15225515401 is an apocalyptic number.

It is an amenable number.

15225515401 is a deficient number, since it is larger than the sum of its proper divisors (955553279).

15225515401 is a wasteful number, since it uses less digits than its factorization.

15225515401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329723.

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 15225515401 in words is "fifteen billion, two hundred twenty-five million, five hundred fifteen thousand, four hundred one".