11901935940986 has 32 divisors (see below), whose sum is σ = 21992945240448. Its totient is φ = 4704142368960.

The previous prime is 11901935940941. The next prime is 11901935940991. The reversal of 11901935940986 is 68904953910911.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon 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, 29771765 + ... + 30168888.

It is an arithmetic number, because the mean of its divisors is an integer number (687279538764).

Almost surely, 2^{11901935940986} is an apocalyptic number.

11901935940986 is a deficient number, since it is larger than the sum of its proper divisors (10091009299462).

11901935940986 is a wasteful number, since it uses less digits than its factorization.

11901935940986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59941766.

The product of its (nonzero) digits is 18895680, while the sum is 65.

The spelling of 11901935940986 in words is "eleven trillion, nine hundred one billion, nine hundred thirty-five million, nine hundred forty thousand, nine hundred eighty-six".