11920894386 has 32 divisors (see below), whose sum is σ = 25680272640. Its totient is φ = 3676945104.

The previous prime is 11920894267. The next prime is 11920894387. The reversal of 11920894386 is 68349802911.

It is not an unprimeable number, because it can be changed into a prime (11920894387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1211020 + ... + 1220823.

It is an arithmetic number, because the mean of its divisors is an integer number (802508520).

Almost surely, 2^11920894386 is an apocalyptic number.

11920894386 is an abundant number, since it is smaller than the sum of its proper divisors (13759378254).

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

11920894386 is a wasteful number, since it uses less digits than its factorization.

11920894386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431910.

The product of its (nonzero) digits is 746496, while the sum is 51.

The spelling of 11920894386 in words is "eleven billion, nine hundred twenty million, eight hundred ninety-four thousand, three hundred eighty-six".