1056430036465 has 4 divisors (see below), whose sum is σ = 1267716043764. Its totient is φ = 845144029168.

The previous prime is 1056430036451. The next prime is 1056430036523. The reversal of 1056430036465 is 5646300346501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 644450911729 + 411979124736 = 802777^2 + 641856^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1056430036465 is a prime.

It is a super-2 number, since 2×1056430036465² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105643003642 + ... + 105643003651.

It is an arithmetic number, because the mean of its divisors is an integer number (316929010941).

Almost surely, 2^{1056430036465} is an apocalyptic number.

It is an amenable number.

1056430036465 is a deficient number, since it is larger than the sum of its proper divisors (211286007299).

1056430036465 is an equidigital number, since it uses as much as digits as its factorization.

1056430036465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211286007298.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 1056430036465 in words is "one trillion, fifty-six billion, four hundred thirty million, thirty-six thousand, four hundred sixty-five".