15510252145313 has 2 divisors, whose sum is σ = 15510252145314. Its totient is φ = 15510252145312.

The previous prime is 15510252145291. The next prime is 15510252145327. The reversal of 15510252145313 is 31354125201551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8223319022689 + 7286933122624 = 2867633^2 + 2699432^2 .

It is a cyclic number.

It is not a de Polignac number, because 15510252145313 - 2⁶ = 15510252145249 is a prime.

It is a super-2 number, since 2×15510252145313² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (15510252145363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7755126072656 + 7755126072657.

It is an arithmetic number, because the mean of its divisors is an integer number (7755126072657).

Almost surely, 2^{15510252145313} is an apocalyptic number.

It is an amenable number.

15510252145313 is a deficient number, since it is larger than the sum of its proper divisors (1).

15510252145313 is an equidigital number, since it uses as much as digits as its factorization.

15510252145313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90000, while the sum is 38.

Adding to 15510252145313 its reverse (31354125201551), we get a palindrome (46864377346864).

The spelling of 15510252145313 in words is "fifteen trillion, five hundred ten billion, two hundred fifty-two million, one hundred forty-five thousand, three hundred thirteen".