15054245515 has 4 divisors (see below), whose sum is σ = 18065094624. Its totient is φ = 12043396408.

The previous prime is 15054245497. The next prime is 15054245527. The reversal of 15054245515 is 51554245051.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15054245515 - 2⁵ = 15054245483 is a prime.

It is a Duffinian number.

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, 1505424547 + ... + 1505424556.

It is an arithmetic number, because the mean of its divisors is an integer number (4516273656).

Almost surely, 2^15054245515 is an apocalyptic number.

15054245515 is a deficient number, since it is larger than the sum of its proper divisors (3010849109).

15054245515 is an equidigital number, since it uses as much as digits as its factorization.

15054245515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010849108.

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 15054245515 in words is "fifteen billion, fifty-four million, two hundred forty-five thousand, five hundred fifteen".