13155242346877 has 2 divisors, whose sum is σ = 13155242346878. Its totient is φ = 13155242346876.

The previous prime is 13155242346863. The next prime is 13155242346893. The reversal of 13155242346877 is 77864324255131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11604691912356 + 1550550434521 = 3406566^2 + 1245211^2 .

It is a cyclic number.

It is not a de Polignac number, because 13155242346877 - 2⁴³ = 4359149324669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13155242346577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6577621173438 + 6577621173439.

It is an arithmetic number, because the mean of its divisors is an integer number (6577621173439).

Almost surely, 2^{13155242346877} is an apocalyptic number.

It is an amenable number.

13155242346877 is a deficient number, since it is larger than the sum of its proper divisors (1).

13155242346877 is an equidigital number, since it uses as much as digits as its factorization.

13155242346877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33868800, while the sum is 58.

The spelling of 13155242346877 in words is "thirteen trillion, one hundred fifty-five billion, two hundred forty-two million, three hundred forty-six thousand, eight hundred seventy-seven".