1131146054220 has 96 divisors (see below), whose sum is σ = 3898103344128. Its totient is φ = 238659386112.

The previous prime is 1131146054219. The next prime is 1131146054261. The reversal of 1131146054220 is 224506411311.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 103579344 + ... + 103590263.

It is an arithmetic number, because the mean of its divisors is an integer number (40605243168).

Almost surely, 2^{1131146054220} is an apocalyptic number.

1131146054220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131146054220 is an abundant number, since it is smaller than the sum of its proper divisors (2766957289908).

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

1131146054220 is a wasteful number, since it uses less digits than its factorization.

1131146054220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207169639 (or 207169637 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 1131146054220 in words is "one trillion, one hundred thirty-one billion, one hundred forty-six million, fifty-four thousand, two hundred twenty".