15136123473 has 24 divisors (see below), whose sum is σ = 21962140200. Its totient is φ = 10045188864.

The previous prime is 15136123469. The next prime is 15136123477. The reversal of 15136123473 is 37432163151.

15136123473 is a `hidden beast` number, since 1 + 5 + 1 + 3 + 612 + 34 + 7 + 3 = 666.

15136123473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15136123469) and next prime (15136123477).

It can be written as a sum of positive squares in 4 ways, for example, as 1321177104 + 13814946369 = 36348^2 + 117537^2 .

It is not a de Polignac number, because 15136123473 - 2² = 15136123469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15136123477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5782461 + ... + 5785077.

It is an arithmetic number, because the mean of its divisors is an integer number (915089175).

Almost surely, 2^15136123473 is an apocalyptic number.

It is an amenable number.

15136123473 is a deficient number, since it is larger than the sum of its proper divisors (6826016727).

15136123473 is a wasteful number, since it uses less digits than its factorization.

15136123473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5281 (or 5278 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The spelling of 15136123473 in words is "fifteen billion, one hundred thirty-six million, one hundred twenty-three thousand, four hundred seventy-three".