11955160980 has 120 divisors (see below), whose sum is σ = 42861506688. Its totient is φ = 2732605632.

The previous prime is 11955160963. The next prime is 11955160993. The reversal of 11955160980 is 8906155911.

11955160980 is a `hidden beast` number, since 1 + 1 + 9 + 551 + 6 + 0 + 98 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 515784 + ... + 538463.

Almost surely, 2^11955160980 is an apocalyptic number.

11955160980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11955160980 is an abundant number, since it is smaller than the sum of its proper divisors (30906345708).

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

11955160980 is a wasteful number, since it uses less digits than its factorization.

11955160980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054275 (or 1054264 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 45.

The spelling of 11955160980 in words is "eleven billion, nine hundred fifty-five million, one hundred sixty thousand, nine hundred eighty".