11355910380 has 72 divisors (see below), whose sum is σ = 35096220432. Its totient is φ = 2971103616.

The previous prime is 11355910373. The next prime is 11355910459. The reversal of 11355910380 is 8301955311.

11355910380 is a `hidden beast` number, since 1 + 1 + 35 + 591 + 0 + 38 + 0 = 666.

It is a super-3 number, since 3×11355910380³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 585634 + ... + 604713.

It is an arithmetic number, because the mean of its divisors is an integer number (487447506).

Almost surely, 2^11355910380 is an apocalyptic number.

11355910380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11355910380 is an abundant number, since it is smaller than the sum of its proper divisors (23740310052).

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

11355910380 is a wasteful number, since it uses less digits than its factorization.

11355910380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190415 (or 1190410 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The spelling of 11355910380 in words is "eleven billion, three hundred fifty-five million, nine hundred ten thousand, three hundred eighty".