11990665362 has 16 divisors (see below), whose sum is σ = 25826048640. Its totient is φ = 3689435472.

The previous prime is 11990665327. The next prime is 11990665391. The reversal of 11990665362 is 26356609911.

It is a happy 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, 76863162 + ... + 76863317.

It is an arithmetic number, because the mean of its divisors is an integer number (1614128040).

Almost surely, 2^11990665362 is an apocalyptic number.

11990665362 is an abundant number, since it is smaller than the sum of its proper divisors (13835383278).

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

11990665362 is a wasteful number, since it uses less digits than its factorization.

11990665362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153726497.

The product of its (nonzero) digits is 524880, while the sum is 48.

The spelling of 11990665362 in words is "eleven billion, nine hundred ninety million, six hundred sixty-five thousand, three hundred sixty-two".