961036777145 has 8 divisors (see below), whose sum is σ = 1153940125704. Its totient is φ = 768365426304.

The previous prime is 961036777117. The next prime is 961036777157. The reversal of 961036777145 is 541777630169.

It can be written as a sum of positive squares in 4 ways, for example, as 115249386256 + 845787390889 = 339484^2 + 919667^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 961036777145 - 2³⁰ = 959963035321 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57990314 + ... + 58006883.

It is an arithmetic number, because the mean of its divisors is an integer number (144242515713).

Almost surely, 2^961036777145 is an apocalyptic number.

It is an amenable number.

961036777145 is a deficient number, since it is larger than the sum of its proper divisors (192903348559).

961036777145 is a wasteful number, since it uses less digits than its factorization.

961036777145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115998859.

The product of its (nonzero) digits is 6667920, while the sum is 56.

The spelling of 961036777145 in words is "nine hundred sixty-one billion, thirty-six million, seven hundred seventy-seven thousand, one hundred forty-five".