11858738012 has 24 divisors (see below), whose sum is σ = 22655176320. Its totient is φ = 5386581360.

The previous prime is 11858737997. The next prime is 11858738027. The reversal of 11858738012 is 21083785811.

It is an interprime number because it is at equal distance from previous prime (11858737997) and next prime (11858738027).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29462 + ... + 156797.

It is an arithmetic number, because the mean of its divisors is an integer number (943965680).

Almost surely, 2^11858738012 is an apocalyptic number.

It is an amenable number.

11858738012 is a deficient number, since it is larger than the sum of its proper divisors (10796438308).

11858738012 is a wasteful number, since it uses less digits than its factorization.

11858738012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187721 (or 187719 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 44.

The spelling of 11858738012 in words is "eleven billion, eight hundred fifty-eight million, seven hundred thirty-eight thousand, twelve".