1131077909605 has 96 divisors (see below), whose sum is σ = 1673242272000. Its totient is φ = 733588555392.

The previous prime is 1131077909597. The next prime is 1131077909639. The reversal of 1131077909605 is 5069097701311.

It is not a de Polignac number, because 1131077909605 - 2³ = 1131077909597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 546677511 + ... + 546679579.

It is an arithmetic number, because the mean of its divisors is an integer number (17429607000).

Almost surely, 2^{1131077909605} is an apocalyptic number.

It is an amenable number.

1131077909605 is a deficient number, since it is larger than the sum of its proper divisors (542164362395).

1131077909605 is an equidigital number, since it uses as much as digits as its factorization.

1131077909605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016 (or 2983 counting only the distinct ones).

The product of its (nonzero) digits is 357210, while the sum is 49.

The spelling of 1131077909605 in words is "one trillion, one hundred thirty-one billion, seventy-seven million, nine hundred nine thousand, six hundred five".