11380778352 has 60 divisors (see below), whose sum is σ = 32591096824. Its totient is φ = 3705367680.

The previous prime is 11380778347. The next prime is 11380778377. The reversal of 11380778352 is 25387708311.

It is a junction number, because it is equal to n+sod(n) for n = 11380778298 and 11380778307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 912799 + ... + 925182.

Almost surely, 2^11380778352 is an apocalyptic number.

11380778352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11380778352 is an abundant number, since it is smaller than the sum of its proper divisors (21210318472).

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

11380778352 is a wasteful number, since it uses less digits than its factorization.

11380778352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838038 (or 1838029 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 11380778352 in words is "eleven billion, three hundred eighty million, seven hundred seventy-eight thousand, three hundred fifty-two".