11170778340 has 24 divisors (see below), whose sum is σ = 31278179520. Its totient is φ = 2978874208.

The previous prime is 11170778323. The next prime is 11170778347. The reversal of 11170778340 is 4387707111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11170778347) 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, 93089760 + ... + 93089879.

It is an arithmetic number, because the mean of its divisors is an integer number (1303257480).

Almost surely, 2^11170778340 is an apocalyptic number.

11170778340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11170778340 is an abundant number, since it is smaller than the sum of its proper divisors (20107401180).

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

11170778340 is a wasteful number, since it uses less digits than its factorization.

11170778340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186179651 (or 186179649 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 39.

The spelling of 11170778340 in words is "eleven billion, one hundred seventy million, seven hundred seventy-eight thousand, three hundred forty".