11900986570 has 16 divisors (see below), whose sum is σ = 23369210208. Its totient is φ = 4327631440.

The previous prime is 11900986543. The next prime is 11900986649. The reversal of 11900986570 is 7568900911.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11900986570.

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, 54095284 + ... + 54095503.

It is an arithmetic number, because the mean of its divisors is an integer number (1460575638).

Almost surely, 2^11900986570 is an apocalyptic number.

11900986570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11900986570 is a deficient number, since it is larger than the sum of its proper divisors (11468223638).

11900986570 is a wasteful number, since it uses less digits than its factorization.

11900986570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108190805.

The product of its (nonzero) digits is 136080, while the sum is 46.

The spelling of 11900986570 in words is "eleven billion, nine hundred million, nine hundred eighty-six thousand, five hundred seventy".