15109136019 has 12 divisors (see below), whose sum is σ = 23108090616. Its totient is φ = 9480242112.

The previous prime is 15109135931. The next prime is 15109136059. The reversal of 15109136019 is 91063190151.

It is a happy number.

15109136019 is a `hidden beast` number, since 1 + 510 + 9 + 136 + 0 + 1 + 9 = 666.

It is not a de Polignac number, because 15109136019 - 2¹⁹ = 15108611731 is a prime.

It is a super-2 number, since 2×15109136019² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15109136059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49376109 + ... + 49376414.

It is an arithmetic number, because the mean of its divisors is an integer number (1925674218).

Almost surely, 2^15109136019 is an apocalyptic number.

15109136019 is a deficient number, since it is larger than the sum of its proper divisors (7998954597).

15109136019 is a wasteful number, since it uses less digits than its factorization.

15109136019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98752546 (or 98752543 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 36.

The spelling of 15109136019 in words is "fifteen billion, one hundred nine million, one hundred thirty-six thousand, nineteen".