11780371760 has 40 divisors (see below), whose sum is σ = 27438641136. Its totient is φ = 4703671040.

The previous prime is 11780371747. The next prime is 11780371763. The reversal of 11780371760 is 6717308711.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (11780371763) 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, 87626 + ... + 176745.

Almost surely, 2^11780371760 is an apocalyptic number.

11780371760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11780371760 is an abundant number, since it is smaller than the sum of its proper divisors (15658269376).

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

11780371760 is a wasteful number, since it uses less digits than its factorization.

11780371760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264941 (or 264935 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 41.

The spelling of 11780371760 in words is "eleven billion, seven hundred eighty million, three hundred seventy-one thousand, seven hundred sixty".