1131911437632 has 28 divisors (see below), whose sum is σ = 2994849012576. Its totient is φ = 377303812480.

The previous prime is 1131911437577. The next prime is 1131911437633. The reversal of 1131911437632 is 2367341191311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131911437633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2947685844 + ... + 2947686227.

Almost surely, 2^{1131911437632} is an apocalyptic number.

1131911437632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1131911437632 is an abundant number, since it is smaller than the sum of its proper divisors (1862937574944).

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

1131911437632 is an equidigital number, since it uses as much as digits as its factorization.

1131911437632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5895372086 (or 5895372076 counting only the distinct ones).

The product of its digits is 81648, while the sum is 42.

The spelling of 1131911437632 in words is "one trillion, one hundred thirty-one billion, nine hundred eleven million, four hundred thirty-seven thousand, six hundred thirty-two".