13631124650121 has 128 divisors (see below), whose sum is σ = 23690277273600. Its totient is φ = 7667587008000.

The previous prime is 13631124650119. The next prime is 13631124650167. The reversal of 13631124650121 is 12105642113631.

13631124650121 is a `hidden beast` number, since 1 + 3 + 6 + 3 + 1 + 124 + 6 + 501 + 21 = 666.

It is not a de Polignac number, because 13631124650121 - 2¹ = 13631124650119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13631124655121) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 21965715 + ... + 22577751.

It is an arithmetic number, because the mean of its divisors is an integer number (185080291200).

Almost surely, 2^{13631124650121} is an apocalyptic number.

13631124650121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13631124650121 is a deficient number, since it is larger than the sum of its proper divisors (10059152623479).

13631124650121 is a wasteful number, since it uses less digits than its factorization.

13631124650121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612188 (or 612182 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Adding to 13631124650121 its reverse (12105642113631), we get a palindrome (25736766763752).

The spelling of 13631124650121 in words is "thirteen trillion, six hundred thirty-one billion, one hundred twenty-four million, six hundred fifty thousand, one hundred twenty-one".