1161925906764 has 24 divisors (see below), whose sum is σ = 3098469084928. Its totient is φ = 331978830480.

The previous prime is 1161925906723. The next prime is 1161925906769. The reversal of 1161925906764 is 4676095291611.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1161925906769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6916225552 + ... + 6916225719.

Almost surely, 2^{1161925906764} is an apocalyptic number.

1161925906764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1161925906764 is an abundant number, since it is smaller than the sum of its proper divisors (1936543178164).

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

1161925906764 is a wasteful number, since it uses less digits than its factorization.

1161925906764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13832451285 (or 13832451283 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 57.

The spelling of 1161925906764 in words is "one trillion, one hundred sixty-one billion, nine hundred twenty-five million, nine hundred six thousand, seven hundred sixty-four".