1131611660022 has 32 divisors (see below), whose sum is σ = 2401812864000. Its totient is φ = 354206717568.

The previous prime is 1131611660009. The next prime is 1131611660029. The reversal of 1131611660022 is 2200661161311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131611660029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12591022 + ... + 12680577.

It is an arithmetic number, because the mean of its divisors is an integer number (75056652000).

Almost surely, 2^{1131611660022} is an apocalyptic number.

1131611660022 is an abundant number, since it is smaller than the sum of its proper divisors (1270201203978).

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

1131611660022 is a wasteful number, since it uses less digits than its factorization.

1131611660022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25272060.

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 1131611660022 in words is "one trillion, one hundred thirty-one billion, six hundred eleven million, six hundred sixty thousand, twenty-two".