1131603972730 has 128 divisors (see below), whose sum is σ = 2572308969984. Its totient is φ = 348171264000.

The previous prime is 1131603972727. The next prime is 1131603972787. The reversal of 1131603972730 is 372793061311.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26186902 + ... + 26230078.

It is an arithmetic number, because the mean of its divisors is an integer number (20096163828).

Almost surely, 2^{1131603972730} is an apocalyptic number.

1131603972730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131603972730 is an abundant number, since it is smaller than the sum of its proper divisors (1440704997254).

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

1131603972730 is a wasteful number, since it uses less digits than its factorization.

1131603972730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43640.

The product of its (nonzero) digits is 142884, while the sum is 43.

The spelling of 1131603972730 in words is "one trillion, one hundred thirty-one billion, six hundred three million, nine hundred seventy-two thousand, seven hundred thirty".