15109107493 has 16 divisors (see below), whose sum is σ = 16110976896. Its totient is φ = 14119971840.

The previous prime is 15109107487. The next prime is 15109107521. The reversal of 15109107493 is 39470190151.

It is a cyclic number.

It is not a de Polignac number, because 15109107493 - 2¹³ = 15109099301 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 (15109107443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4301608 + ... + 4305118.

It is an arithmetic number, because the mean of its divisors is an integer number (1006936056).

Almost surely, 2^15109107493 is an apocalyptic number.

It is an amenable number.

15109107493 is a deficient number, since it is larger than the sum of its proper divisors (1001869403).

15109107493 is a wasteful number, since it uses less digits than its factorization.

15109107493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5244.

The product of its (nonzero) digits is 34020, while the sum is 40.

The spelling of 15109107493 in words is "fifteen billion, one hundred nine million, one hundred seven thousand, four hundred ninety-three".