13025747542661 has 8 divisors (see below), whose sum is σ = 15138883343040. Its totient is φ = 10975690423008.

The previous prime is 13025747542567. The next prime is 13025747542721. The reversal of 13025747542661 is 16624574752031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13025747542661 - 2¹⁴ = 13025747526277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13025747532661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15769669736 + ... + 15769670561.

It is an arithmetic number, because the mean of its divisors is an integer number (1892360417880).

Almost surely, 2^{13025747542661} is an apocalyptic number.

It is an amenable number.

13025747542661 is a deficient number, since it is larger than the sum of its proper divisors (2113135800379).

13025747542661 is an equidigital number, since it uses as much as digits as its factorization.

13025747542661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31539340363.

The product of its (nonzero) digits is 8467200, while the sum is 53.

The spelling of 13025747542661 in words is "thirteen trillion, twenty-five billion, seven hundred forty-seven million, five hundred forty-two thousand, six hundred sixty-one".