1131604113126 has 64 divisors (see below), whose sum is σ = 2318678387712. Its totient is φ = 368009091072.

The previous prime is 1131604113121. The next prime is 1131604113131. The reversal of 1131604113126 is 6213114061311.

It is an interprime number because it is at equal distance from previous prime (1131604113121) and next prime (1131604113131).

It is a junction number, because it is equal to n+sod(n) for n = 1131604113093 and 1131604113102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131604113121) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 123169905 + ... + 123179091.

It is an arithmetic number, because the mean of its divisors is an integer number (36229349808).

Almost surely, 2^{1131604113126} is an apocalyptic number.

1131604113126 is an abundant number, since it is smaller than the sum of its proper divisors (1187074274586).

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

1131604113126 is a wasteful number, since it uses less digits than its factorization.

1131604113126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10573.

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

Adding to 1131604113126 its reverse (6213114061311), we get a palindrome (7344718174437).

The spelling of 1131604113126 in words is "one trillion, one hundred thirty-one billion, six hundred four million, one hundred thirteen thousand, one hundred twenty-six".