15124323161 has 2 divisors, whose sum is σ = 15124323162. Its totient is φ = 15124323160.

The previous prime is 15124323127. The next prime is 15124323169. The reversal of 15124323161 is 16132342151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13279105225 + 1845217936 = 115235^2 + 42956^2 .

It is a cyclic number.

It is not a de Polignac number, because 15124323161 - 2¹⁴ = 15124306777 is a prime.

It is a super-2 number, since 2×15124323161² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15124323169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7562161580 + 7562161581.

It is an arithmetic number, because the mean of its divisors is an integer number (7562161581).

Almost surely, 2^15124323161 is an apocalyptic number.

It is an amenable number.

15124323161 is a deficient number, since it is larger than the sum of its proper divisors (1).

15124323161 is an equidigital number, since it uses as much as digits as its factorization.

15124323161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 29.

The spelling of 15124323161 in words is "fifteen billion, one hundred twenty-four million, three hundred twenty-three thousand, one hundred sixty-one".