11931051998935 has 16 divisors (see below), whose sum is σ = 14489962260480. Its totient is φ = 9429711576480.

The previous prime is 11931051998903. The next prime is 11931051999073. The reversal of 11931051998935 is 53989915013911.

It is not a de Polignac number, because 11931051998935 - 2⁵ = 11931051998903 is a prime.

It is a super-2 number, since 2×11931051998935² (a number of 27 digits) contains 22 as substring.

It is a congruent 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, 38423350 + ... + 38732620.

It is an arithmetic number, because the mean of its divisors is an integer number (905622641280).

Almost surely, 2^{11931051998935} is an apocalyptic number.

11931051998935 is a deficient number, since it is larger than the sum of its proper divisors (2558910261545).

11931051998935 is an equidigital number, since it uses as much as digits as its factorization.

11931051998935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402318.

The product of its (nonzero) digits is 11809800, while the sum is 64.

The spelling of 11931051998935 in words is "eleven trillion, nine hundred thirty-one billion, fifty-one million, nine hundred ninety-eight thousand, nine hundred thirty-five".