15135310125011 has 12 divisors (see below), whose sum is σ = 15837033054360. Its totient is φ = 14463477890400.

The previous prime is 15135310124989. The next prime is 15135310125059. The reversal of 15135310125011 is 11052101353151.

It is a happy number.

It is not a de Polignac number, because 15135310125011 - 2¹⁰ = 15135310123987 is a prime.

It is a super-2 number, since 2×15135310125011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15135310125211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13055426 + ... + 14167383.

It is an arithmetic number, because the mean of its divisors is an integer number (1319752754530).

Almost surely, 2^{15135310125011} is an apocalyptic number.

15135310125011 is a deficient number, since it is larger than the sum of its proper divisors (701722929349).

15135310125011 is a wasteful number, since it uses less digits than its factorization.

15135310125011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27223906 (or 27223883 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 29.

Adding to 15135310125011 its reverse (11052101353151), we get a palindrome (26187411478162).

The spelling of 15135310125011 in words is "fifteen trillion, one hundred thirty-five billion, three hundred ten million, one hundred twenty-five thousand, eleven".