15011530493 has 4 divisors (see below), whose sum is σ = 15025291008. Its totient is φ = 14997769980.

The previous prime is 15011530483. The next prime is 15011530511. The reversal of 15011530493 is 39403511051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15011530493 - 2¹⁰ = 15011529469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15011530403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6878621 + ... + 6880802.

It is an arithmetic number, because the mean of its divisors is an integer number (3756322752).

Almost surely, 2^15011530493 is an apocalyptic number.

It is an amenable number.

15011530493 is a deficient number, since it is larger than the sum of its proper divisors (13760515).

15011530493 is a wasteful number, since it uses less digits than its factorization.

15011530493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13760514.

The product of its (nonzero) digits is 8100, while the sum is 32.

The spelling of 15011530493 in words is "fifteen billion, eleven million, five hundred thirty thousand, four hundred ninety-three".