15142499117 has 2 divisors, whose sum is σ = 15142499118. Its totient is φ = 15142499116.

The previous prime is 15142499111. The next prime is 15142499159. The reversal of 15142499117 is 71199424151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10459971076 + 4682528041 = 102274^2 + 68429^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15142499117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15142499111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7571249558 + 7571249559.

It is an arithmetic number, because the mean of its divisors is an integer number (7571249559).

Almost surely, 2^15142499117 is an apocalyptic number.

It is an amenable number.

15142499117 is a deficient number, since it is larger than the sum of its proper divisors (1).

15142499117 is an equidigital number, since it uses as much as digits as its factorization.

15142499117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 44.

The spelling of 15142499117 in words is "fifteen billion, one hundred forty-two million, four hundred ninety-nine thousand, one hundred seventeen".