1156560859655 has 32 divisors (see below), whose sum is σ = 1452387041280. Its totient is φ = 883223758080.

The previous prime is 1156560859613. The next prime is 1156560859709. The reversal of 1156560859655 is 5569580656511.

It is not a de Polignac number, because 1156560859655 - 2¹⁶ = 1156560794119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38206916 + ... + 38237174.

It is an arithmetic number, because the mean of its divisors is an integer number (45387095040).

Almost surely, 2^{1156560859655} is an apocalyptic number.

1156560859655 is a deficient number, since it is larger than the sum of its proper divisors (295826181625).

1156560859655 is a wasteful number, since it uses less digits than its factorization.

1156560859655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34319.

The product of its (nonzero) digits is 48600000, while the sum is 62.

The spelling of 1156560859655 in words is "one trillion, one hundred fifty-six billion, five hundred sixty million, eight hundred fifty-nine thousand, six hundred fifty-five".