15149154281 has 2 divisors, whose sum is σ = 15149154282. Its totient is φ = 15149154280.

The previous prime is 15149154239. The next prime is 15149154287. The reversal of 15149154281 is 18245194151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14668843225 + 480311056 = 121115^2 + 21916^2 .

It is a cyclic number.

It is not a de Polignac number, because 15149154281 - 2²⁶ = 15082045417 is a prime.

It is a super-2 number, since 2×15149154281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15149154287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7574577140 + 7574577141.

It is an arithmetic number, because the mean of its divisors is an integer number (7574577141).

Almost surely, 2^15149154281 is an apocalyptic number.

It is an amenable number.

15149154281 is a deficient number, since it is larger than the sum of its proper divisors (1).

15149154281 is an equidigital number, since it uses as much as digits as its factorization.

15149154281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 41.

The spelling of 15149154281 in words is "fifteen billion, one hundred forty-nine million, one hundred fifty-four thousand, two hundred eighty-one".