13047777061522 has 32 divisors (see below), whose sum is σ = 22502184606720. Its totient is φ = 5558264632080.

The previous prime is 13047777061489. The next prime is 13047777061523. The reversal of 13047777061522 is 22516077774031.

It is a self number, because there is not a number n which added to its sum of digits gives 13047777061522.

It is not an unprimeable number, because it can be changed into a prime (13047777061523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129893497 + ... + 129993907.

It is an arithmetic number, because the mean of its divisors is an integer number (703193268960).

Almost surely, 2^{13047777061522} is an apocalyptic number.

13047777061522 is a deficient number, since it is larger than the sum of its proper divisors (9454407545198).

13047777061522 is a wasteful number, since it uses less digits than its factorization.

13047777061522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156166.

The product of its (nonzero) digits is 3457440, while the sum is 52.

The spelling of 13047777061522 in words is "thirteen trillion, forty-seven billion, seven hundred seventy-seven million, sixty-one thousand, five hundred twenty-two".