959191455505 has 16 divisors (see below), whose sum is σ = 1215791368704. Its totient is φ = 725330067840.

The previous prime is 959191455473. The next prime is 959191455511. The reversal of 959191455505 is 505554191959.

It is a happy number.

It is not a de Polignac number, because 959191455505 - 2⁵ = 959191455473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 959191455505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71950684 + ... + 71964013.

It is an arithmetic number, because the mean of its divisors is an integer number (75986960544).

Almost surely, 2^959191455505 is an apocalyptic number.

It is an amenable number.

959191455505 is a deficient number, since it is larger than the sum of its proper divisors (256599913199).

959191455505 is a wasteful number, since it uses less digits than its factorization.

959191455505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143914776.

The product of its (nonzero) digits is 9112500, while the sum is 58.

The spelling of 959191455505 in words is "nine hundred fifty-nine billion, one hundred ninety-one million, four hundred fifty-five thousand, five hundred five".