13161252655550 has 24 divisors (see below), whose sum is σ = 24480070893936. Its totient is φ = 5264470749440.

The previous prime is 13161252655501. The next prime is 13161252655729. The reversal of 13161252655550 is 5555625216131.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13161252655495 and 13161252655504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9346574 + ... + 10662126.

It is an arithmetic number, because the mean of its divisors is an integer number (1020002953914).

Almost surely, 2^{13161252655550} is an apocalyptic number.

13161252655550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13161252655550 is a deficient number, since it is larger than the sum of its proper divisors (11318818238386).

13161252655550 is a wasteful number, since it uses less digits than its factorization.

13161252655550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515652 (or 1515647 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 47.

The spelling of 13161252655550 in words is "thirteen trillion, one hundred sixty-one billion, two hundred fifty-two million, six hundred fifty-five thousand, five hundred fifty".