15275254139 has 2 divisors, whose sum is σ = 15275254140. Its totient is φ = 15275254138.

The previous prime is 15275254133. The next prime is 15275254147. The reversal of 15275254139 is 93145257251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15275254139 - 2⁸ = 15275253883 is a prime.

It is a super-2 number, since 2×15275254139² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15275254139.

It is not a weakly prime, because it can be changed into another prime (15275254133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7637627069 + 7637627070.

It is an arithmetic number, because the mean of its divisors is an integer number (7637627070).

Almost surely, 2^15275254139 is an apocalyptic number.

15275254139 is a deficient number, since it is larger than the sum of its proper divisors (1).

15275254139 is an equidigital number, since it uses as much as digits as its factorization.

15275254139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378000, while the sum is 44.

The spelling of 15275254139 in words is "fifteen billion, two hundred seventy-five million, two hundred fifty-four thousand, one hundred thirty-nine".