961127615855 has 32 divisors (see below), whose sum is σ = 1276356294720. Its totient is φ = 688966558720.

The previous prime is 961127615821. The next prime is 961127615869. The reversal of 961127615855 is 558516721169.

It is not a de Polignac number, because 961127615855 - 2⁸ = 961127615599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 961127615855.

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, 1242017 + ... + 1861413.

It is an arithmetic number, because the mean of its divisors is an integer number (39886134210).

Almost surely, 2^961127615855 is an apocalyptic number.

961127615855 is a deficient number, since it is larger than the sum of its proper divisors (315228678865).

961127615855 is a wasteful number, since it uses less digits than its factorization.

961127615855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619819.

The product of its digits is 4536000, while the sum is 56.

The spelling of 961127615855 in words is "nine hundred sixty-one billion, one hundred twenty-seven million, six hundred fifteen thousand, eight hundred fifty-five".