961134909372 has 48 divisors (see below), whose sum is σ = 2718361363200. Its totient is φ = 291253002480.

The previous prime is 961134909311. The next prime is 961134909379. The reversal of 961134909372 is 273909431169.

It is a happy number.

961134909372 is a `hidden beast` number, since 9 + 6 + 113 + 490 + 9 + 37 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961134909379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404516872 + ... + 404519247.

It is an arithmetic number, because the mean of its divisors is an integer number (56632528400).

Almost surely, 2^961134909372 is an apocalyptic number.

It is an amenable number.

961134909372 is an abundant number, since it is smaller than the sum of its proper divisors (1757226453828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

961134909372 is a wasteful number, since it uses less digits than its factorization.

961134909372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809036143 (or 809036135 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The spelling of 961134909372 in words is "nine hundred sixty-one billion, one hundred thirty-four million, nine hundred nine thousand, three hundred seventy-two".