15366042131 has 16 divisors (see below), whose sum is σ = 17322674688. Its totient is φ = 13509132000.

The previous prime is 15366042113. The next prime is 15366042143. The reversal of 15366042131 is 13124066351.

15366042131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 15366042131 - 2¹⁴ = 15366025747 is a prime.

It is a super-2 number, since 2×15366042131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15366044131) 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 15 ways as a sum of consecutive naturals, for example, 113051 + ... + 208596.

It is an arithmetic number, because the mean of its divisors is an integer number (1082667168).

Almost surely, 2^15366042131 is an apocalyptic number.

15366042131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15366042131 is a deficient number, since it is larger than the sum of its proper divisors (1956632557).

15366042131 is a wasteful number, since it uses less digits than its factorization.

15366042131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321802.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 15366042131 in words is "fifteen billion, three hundred sixty-six million, forty-two thousand, one hundred thirty-one".