11013868380 has 48 divisors (see below), whose sum is σ = 30851321760. Its totient is φ = 2935842048.

The previous prime is 11013868351. The next prime is 11013868381. The reversal of 11013868380 is 8386831011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013868381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117526 + ... + 189314.

It is an arithmetic number, because the mean of its divisors is an integer number (642735870).

Almost surely, 2^11013868380 is an apocalyptic number.

11013868380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11013868380 is an abundant number, since it is smaller than the sum of its proper divisors (19837453380).

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

11013868380 is a wasteful number, since it uses less digits than its factorization.

11013868380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74358 (or 74356 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The spelling of 11013868380 in words is "eleven billion, thirteen million, eight hundred sixty-eight thousand, three hundred eighty".