1131131681286 has 16 divisors (see below), whose sum is σ = 2340272444400. Its totient is φ = 364042380128.

The previous prime is 1131131681263. The next prime is 1131131681287. The reversal of 1131131681286 is 6821861311311.

It is a super-2 number, since 2×1131131681286² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131131681287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3250378221 + ... + 3250378568.

It is an arithmetic number, because the mean of its divisors is an integer number (146267027775).

Almost surely, 2^{1131131681286} is an apocalyptic number.

1131131681286 is an abundant number, since it is smaller than the sum of its proper divisors (1209140763114).

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

1131131681286 is a wasteful number, since it uses less digits than its factorization.

1131131681286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6500756823.

The product of its digits is 41472, while the sum is 42.

Adding to 1131131681286 its reverse (6821861311311), we get a palindrome (7952992992597).

The spelling of 1131131681286 in words is "one trillion, one hundred thirty-one billion, one hundred thirty-one million, six hundred eighty-one thousand, two hundred eighty-six".