15001164455 has 4 divisors (see below), whose sum is σ = 18001397352. Its totient is φ = 12000931560.

The previous prime is 15001164433. The next prime is 15001164473. The reversal of 15001164455 is 55446110051.

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

It is not a de Polignac number, because 15001164455 - 2¹⁶ = 15001098919 is a prime.

It is a Duffinian number.

It is a congruent 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, 1500116441 + ... + 1500116450.

It is an arithmetic number, because the mean of its divisors is an integer number (4500349338).

Almost surely, 2^15001164455 is an apocalyptic number.

15001164455 is a deficient number, since it is larger than the sum of its proper divisors (3000232897).

15001164455 is an equidigital number, since it uses as much as digits as its factorization.

15001164455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000232896.

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 15001164455 in words is "fifteen billion, one million, one hundred sixty-four thousand, four hundred fifty-five".