1561553474713 has 8 divisors (see below), whose sum is σ = 1563938816000. Its totient is φ = 1559168327808.

The previous prime is 1561553474711. The next prime is 1561553474717. The reversal of 1561553474713 is 3174743551651.

It is a happy number.

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 1561553474713 - 2¹ = 1561553474711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1561553474711) 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, 30474088 + ... + 30525286.

It is an arithmetic number, because the mean of its divisors is an integer number (195492352000).

Almost surely, 2^{1561553474713} is an apocalyptic number.

It is an amenable number.

1561553474713 is a deficient number, since it is larger than the sum of its proper divisors (2385341287).

1561553474713 is an equidigital number, since it uses as much as digits as its factorization.

1561553474713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97191.

The product of its digits is 5292000, while the sum is 52.

The spelling of 1561553474713 in words is "one trillion, five hundred sixty-one billion, five hundred fifty-three million, four hundred seventy-four thousand, seven hundred thirteen".