1131111233197 has 48 divisors (see below), whose sum is σ = 1273688151552. Its totient is φ = 996135965280.

The previous prime is 1131111233167. The next prime is 1131111233267. The reversal of 1131111233197 is 7913321111311.

It is not a de Polignac number, because 1131111233197 - 2³¹ = 1128963749549 is a prime.

It is a super-2 number, since 2×1131111233197² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131111233117) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1374375328 + ... + 1374376150.

It is an arithmetic number, because the mean of its divisors is an integer number (26535169824).

Almost surely, 2^{1131111233197} is an apocalyptic number.

It is an amenable number.

1131111233197 is a deficient number, since it is larger than the sum of its proper divisors (142576918355).

1131111233197 is a wasteful number, since it uses less digits than its factorization.

1131111233197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438 (or 1391 counting only the distinct ones).

The product of its digits is 3402, while the sum is 34.

The spelling of 1131111233197 in words is "one trillion, one hundred thirty-one billion, one hundred eleven million, two hundred thirty-three thousand, one hundred ninety-seven".