1040561410555 has 4 divisors (see below), whose sum is σ = 1248673692672. Its totient is φ = 832449128440.

The previous prime is 1040561410541. The next prime is 1040561410561. The reversal of 1040561410555 is 5550141650401.

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

It is not a de Polignac number, because 1040561410555 - 2³⁵ = 1006201672187 is a prime.

It is a super-2 number, since 2×1040561410555² (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, 104056141051 + ... + 104056141060.

It is an arithmetic number, because the mean of its divisors is an integer number (312168423168).

Almost surely, 2^{1040561410555} is an apocalyptic number.

1040561410555 is a deficient number, since it is larger than the sum of its proper divisors (208112282117).

1040561410555 is an equidigital number, since it uses as much as digits as its factorization.

1040561410555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208112282116.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 1040561410555 in words is "one trillion, forty billion, five hundred sixty-one million, four hundred ten thousand, five hundred fifty-five".