15345205555013 has 2 divisors, whose sum is σ = 15345205555014. Its totient is φ = 15345205555012.

The previous prime is 15345205555007. The next prime is 15345205555033. The reversal of 15345205555013 is 31055550254351.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14836070504644 + 509135050369 = 3851762^2 + 713537^2 .

It is a cyclic number.

It is not a de Polignac number, because 15345205555013 - 2²⁶ = 15345138446149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15345205555033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7672602777506 + 7672602777507.

It is an arithmetic number, because the mean of its divisors is an integer number (7672602777507).

Almost surely, 2^{15345205555013} is an apocalyptic number.

It is an amenable number.

15345205555013 is a deficient number, since it is larger than the sum of its proper divisors (1).

15345205555013 is an equidigital number, since it uses as much as digits as its factorization.

15345205555013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1125000, while the sum is 44.

The spelling of 15345205555013 in words is "fifteen trillion, three hundred forty-five billion, two hundred five million, five hundred fifty-five thousand, thirteen".