11801257230 has 64 divisors (see below), whose sum is σ = 32382332928. Its totient is φ = 2696332800.

The previous prime is 11801257229. The next prime is 11801257277. The reversal of 11801257230 is 3275210811.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 578179 + ... + 598241.

It is an arithmetic number, because the mean of its divisors is an integer number (505973952).

Almost surely, 2^11801257230 is an apocalyptic number.

11801257230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11801257230 is an abundant number, since it is smaller than the sum of its proper divisors (20581075698).

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

11801257230 is a wasteful number, since it uses less digits than its factorization.

11801257230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22881.

The product of its (nonzero) digits is 3360, while the sum is 30.

The spelling of 11801257230 in words is "eleven billion, eight hundred one million, two hundred fifty-seven thousand, two hundred thirty".