1561413362703 has 8 divisors (see below), whose sum is σ = 2081918395008. Its totient is φ = 1040925286104.

The previous prime is 1561413362693. The next prime is 1561413362759. The reversal of 1561413362703 is 3072633141651.

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

It is not a de Polignac number, because 1561413362703 - 2²⁵ = 1561379808271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1561413363703) 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, 4022475 + ... + 4393532.

It is an arithmetic number, because the mean of its divisors is an integer number (260239799376).

Almost surely, 2^{1561413362703} is an apocalyptic number.

1561413362703 is a deficient number, since it is larger than the sum of its proper divisors (520505032305).

1561413362703 is an equidigital number, since it uses as much as digits as its factorization.

1561413362703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8477853.

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 1561413362703 in words is "one trillion, five hundred sixty-one billion, four hundred thirteen million, three hundred sixty-two thousand, seven hundred three".