13502100155044 has 48 divisors (see below), whose sum is σ = 25474019735808. Its totient is φ = 6245375419008.

The previous prime is 13502100155039. The next prime is 13502100155087. The reversal of 13502100155044 is 44055100120531.

It is a junction number, because it is equal to n+sod(n) for n = 13502100154997 and 13502100155015.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11307399 + ... + 12444334.

It is an arithmetic number, because the mean of its divisors is an integer number (530708744496).

Almost surely, 2^{13502100155044} is an apocalyptic number.

It is an amenable number.

13502100155044 is a deficient number, since it is larger than the sum of its proper divisors (11971919580764).

13502100155044 is a wasteful number, since it uses less digits than its factorization.

13502100155044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23751964 (or 23751962 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 13502100155044 its reverse (44055100120531), we get a palindrome (57557200275575).

The spelling of 13502100155044 in words is "thirteen trillion, five hundred two billion, one hundred million, one hundred fifty-five thousand, forty-four".