1131624963018 has 24 divisors (see below), whose sum is σ = 2674749913056. Its totient is φ = 342916655400.

The previous prime is 1131624963013. The next prime is 1131624963047. The reversal of 1131624963018 is 8103694261311.

1131624963018 is a `hidden beast` number, since 1 + 1 + 3 + 1 + 6 + 2 + 4 + 9 + 630 + 1 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (1131624963011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2857638598 + ... + 2857638993.

It is an arithmetic number, because the mean of its divisors is an integer number (111447913044).

Almost surely, 2^{1131624963018} is an apocalyptic number.

1131624963018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1131624963018 is an abundant number, since it is smaller than the sum of its proper divisors (1543124950038).

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

1131624963018 is a wasteful number, since it uses less digits than its factorization.

1131624963018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5715277610 (or 5715277607 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 1131624963018 in words is "one trillion, one hundred thirty-one billion, six hundred twenty-four million, nine hundred sixty-three thousand, eighteen".