11431980409948 has 36 divisors (see below), whose sum is σ = 23303995439592. Its totient is φ = 4892736048480.

The previous prime is 11431980409931. The next prime is 11431980409991. The reversal of 11431980409948 is 84990408913411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39642438 + ... + 39929773.

Almost surely, 2^{11431980409948} is an apocalyptic number.

It is an amenable number.

11431980409948 is an abundant number, since it is smaller than the sum of its proper divisors (11872015029644).

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

11431980409948 is a wasteful number, since it uses less digits than its factorization.

11431980409948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79572962 (or 79572953 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 61.

The spelling of 11431980409948 in words is "eleven trillion, four hundred thirty-one billion, nine hundred eighty million, four hundred nine thousand, nine hundred forty-eight".