13061547616431 has 16 divisors (see below), whose sum is σ = 18333462224000. Its totient is φ = 8248738988448.

The previous prime is 13061547616363. The next prime is 13061547616457. The reversal of 13061547616431 is 13461674516031.

It is a happy number.

It is not a de Polignac number, because 13061547616431 - 2¹⁴ = 13061547600047 is a prime.

It is a super-2 number, since 2×13061547616431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13061547616031) 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, 8440081 + ... + 9867018.

It is an arithmetic number, because the mean of its divisors is an integer number (1145841389000).

Almost surely, 2^{13061547616431} is an apocalyptic number.

13061547616431 is a deficient number, since it is larger than the sum of its proper divisors (5271914607569).

13061547616431 is a wasteful number, since it uses less digits than its factorization.

13061547616431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18319638.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 13061547616431 in words is "thirteen trillion, sixty-one billion, five hundred forty-seven million, six hundred sixteen thousand, four hundred thirty-one".