13123636152655 has 64 divisors (see below), whose sum is σ = 20247311784960. Its totient is φ = 7948943161344.

The previous prime is 13123636152629. The next prime is 13123636152701. The reversal of 13123636152655 is 55625163632131.

It is a cyclic number.

It is not a de Polignac number, because 13123636152655 - 2¹⁷ = 13123636021583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13123636152599 and 13123636152608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4214992 + ... + 6634261.

It is an arithmetic number, because the mean of its divisors is an integer number (316364246640).

Almost surely, 2^{13123636152655} is an apocalyptic number.

13123636152655 is a deficient number, since it is larger than the sum of its proper divisors (7123675632305).

13123636152655 is a wasteful number, since it uses less digits than its factorization.

13123636152655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10849408.

The product of its digits is 2916000, while the sum is 49.

Adding to 13123636152655 its reverse (55625163632131), we get a palindrome (68748799784786).

The spelling of 13123636152655 in words is "thirteen trillion, one hundred twenty-three billion, six hundred thirty-six million, one hundred fifty-two thousand, six hundred fifty-five".