1131771708630 has 160 divisors (see below), whose sum is σ = 3229511671584. Its totient is φ = 283409777664.

The previous prime is 1131771708629. The next prime is 1131771708649. The reversal of 1131771708630 is 368071771311.

1131771708630 is a `hidden beast` number, since 1 + 1 + 3 + 1 + 7 + 7 + 1 + 7 + 0 + 8 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 79 ways as a sum of consecutive naturals, for example, 6007344 + ... + 6192876.

Almost surely, 2^{1131771708630} is an apocalyptic number.

1131771708630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131771708630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1614755835792).

1131771708630 is an abundant number, since it is smaller than the sum of its proper divisors (2097739962954).

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

1131771708630 is a wasteful number, since it uses less digits than its factorization.

1131771708630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186012 (or 186003 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 45.

The spelling of 1131771708630 in words is "one trillion, one hundred thirty-one billion, seven hundred seventy-one million, seven hundred eight thousand, six hundred thirty".