11900738680 has 32 divisors (see below), whose sum is σ = 26801169840. Its totient is φ = 4755938560.

The previous prime is 11900738659. The next prime is 11900738713. The reversal of 11900738680 is 8683700911.

It is a super-2 number, since 2×11900738680² (a number of 21 digits) contains 22 as substring.

It is a congruent 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, 91726 + ... + 179485.

Almost surely, 2^11900738680 is an apocalyptic number.

11900738680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11900738680 is an abundant number, since it is smaller than the sum of its proper divisors (14900431160).

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

11900738680 is a wasteful number, since it uses less digits than its factorization.

11900738680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272319 (or 272315 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 11900738680 in words is "eleven billion, nine hundred million, seven hundred thirty-eight thousand, six hundred eighty".