56361046505413 has 32 divisors (see below), whose sum is σ = 64525760024544. Its totient is φ = 48768169623552.

The previous prime is 56361046505411. The next prime is 56361046505429. The reversal of 56361046505413 is 31450564016365.

It can be written as a sum of positive squares in 16 ways, for example, as 12333813874209 + 44027232631204 = 3511953^2 + 6635302^2 .

It is a cyclic number.

It is not a de Polignac number, because 56361046505413 - 2¹ = 56361046505411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56361046505411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147771031 + ... + 148151947.

It is an arithmetic number, because the mean of its divisors is an integer number (2016430000767).

Almost surely, 2^{56361046505413} is an apocalyptic number.

It is an amenable number.

56361046505413 is a deficient number, since it is larger than the sum of its proper divisors (8164713519131).

56361046505413 is a wasteful number, since it uses less digits than its factorization.

56361046505413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383641.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 56361046505413 in words is "fifty-six trillion, three hundred sixty-one billion, forty-six million, five hundred five thousand, four hundred thirteen".