1123631888140 has 48 divisors (see below), whose sum is σ = 2579023044864. Its totient is φ = 409368729600.

The previous prime is 1123631888129. The next prime is 1123631888153. The reversal of 1123631888140 is 418881363211.

It is a super-2 number, since 2×1123631888140² (a number of 25 digits) contains 22 as substring.

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, 53292681 + ... + 53313760.

It is an arithmetic number, because the mean of its divisors is an integer number (53729646768).

Almost surely, 2^{1123631888140} is an apocalyptic number.

1123631888140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123631888140 is an abundant number, since it is smaller than the sum of its proper divisors (1455391156724).

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

1123631888140 is a wasteful number, since it uses less digits than its factorization.

1123631888140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106606498 (or 106606496 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

The spelling of 1123631888140 in words is "one trillion, one hundred twenty-three billion, six hundred thirty-one million, eight hundred eighty-eight thousand, one hundred forty".