1188137268020 has 48 divisors (see below), whose sum is σ = 2534816410560. Its totient is φ = 467701580544.

The previous prime is 1188137268013. The next prime is 1188137268053. The reversal of 1188137268020 is 208627318811.

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, 930392 + ... + 1800528.

It is an arithmetic number, because the mean of its divisors is an integer number (52808675220).

Almost surely, 2^{1188137268020} is an apocalyptic number.

1188137268020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1188137268020 is an abundant number, since it is smaller than the sum of its proper divisors (1346679142540).

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

1188137268020 is a wasteful number, since it uses less digits than its factorization.

1188137268020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871232 (or 871230 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 47.

The spelling of 1188137268020 in words is "one trillion, one hundred eighty-eight billion, one hundred thirty-seven million, two hundred sixty-eight thousand, twenty".