11758399212 has 48 divisors (see below), whose sum is σ = 31480710912. Its totient is φ = 3346152000.

The previous prime is 11758399187. The next prime is 11758399241. The reversal of 11758399212 is 21299385711.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257763 + ... + 299930.

It is an arithmetic number, because the mean of its divisors is an integer number (655848144).

Almost surely, 2^11758399212 is an apocalyptic number.

11758399212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11758399212 is an abundant number, since it is smaller than the sum of its proper divisors (19722311700).

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

11758399212 is a wasteful number, since it uses less digits than its factorization.

11758399212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557958 (or 557956 counting only the distinct ones).

The product of its digits is 272160, while the sum is 48.

The spelling of 11758399212 in words is "eleven billion, seven hundred fifty-eight million, three hundred ninety-nine thousand, two hundred twelve".