11351167640 has 32 divisors (see below), whose sum is σ = 25574568480. Its totient is φ = 4534344192.

The previous prime is 11351167637. The next prime is 11351167657. The reversal of 11351167640 is 4676115311.

It is a self number, because there is not a number n which added to its sum of digits gives 11351167640.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161249 + ... + 220688.

It is an arithmetic number, because the mean of its divisors is an integer number (799205265).

Almost surely, 2^11351167640 is an apocalyptic number.

11351167640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11351167640 is an abundant number, since it is smaller than the sum of its proper divisors (14223400840).

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

11351167640 is a wasteful number, since it uses less digits than its factorization.

11351167640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382691 (or 382687 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 11351167640 in words is "eleven billion, three hundred fifty-one million, one hundred sixty-seven thousand, six hundred forty".