1131508451700 has 108 divisors (see below), whose sum is σ = 3869073175968. Its totient is φ = 274305076800.

The previous prime is 1131508451699. The next prime is 1131508451753. The reversal of 1131508451700 is 71548051311.

It is a happy number.

1131508451700 is a `hidden beast` number, since 1 + 1 + 31 + 508 + 4 + 51 + 70 + 0 = 666.

It is a super-2 number, since 2×1131508451700² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 57136992 + ... + 57156791.

Almost surely, 2^{1131508451700} is an apocalyptic number.

1131508451700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131508451700 is an abundant number, since it is smaller than the sum of its proper divisors (2737564724268).

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

1131508451700 is a wasteful number, since it uses less digits than its factorization.

1131508451700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114293814 (or 114293804 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 36.

The spelling of 1131508451700 in words is "one trillion, one hundred thirty-one billion, five hundred eight million, four hundred fifty-one thousand, seven hundred".