15135310124989 has 2 divisors, whose sum is σ = 15135310124990. Its totient is φ = 15135310124988.

The previous prime is 15135310124983. The next prime is 15135310125059. The reversal of 15135310124989 is 98942101353151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7577852784100 + 7557457340889 = 2752790^2 + 2749083^2 .

It is a cyclic number.

It is not a de Polignac number, because 15135310124989 - 2²¹ = 15135308027837 is a prime.

It is a super-2 number, since 2×15135310124989² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15135310124983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7567655062494 + 7567655062495.

It is an arithmetic number, because the mean of its divisors is an integer number (7567655062495).

Almost surely, 2^{15135310124989} is an apocalyptic number.

It is an amenable number.

15135310124989 is a deficient number, since it is larger than the sum of its proper divisors (1).

15135310124989 is an equidigital number, since it uses as much as digits as its factorization.

15135310124989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 52.

The spelling of 15135310124989 in words is "fifteen trillion, one hundred thirty-five billion, three hundred ten million, one hundred twenty-four thousand, nine hundred eighty-nine".