112134955981 has 2 divisors, whose sum is σ = 112134955982. Its totient is φ = 112134955980.

The previous prime is 112134955973. The next prime is 112134955993. The reversal of 112134955981 is 189559431211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106984597225 + 5150358756 = 327085^2 + 71766^2 .

It is a cyclic number.

It is not a de Polignac number, because 112134955981 - 2³ = 112134955973 is a prime.

It is a super-2 number, since 2×112134955981² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112134955381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56067477990 + 56067477991.

It is an arithmetic number, because the mean of its divisors is an integer number (56067477991).

Almost surely, 2^112134955981 is an apocalyptic number.

It is an amenable number.

112134955981 is a deficient number, since it is larger than the sum of its proper divisors (1).

112134955981 is an equidigital number, since it uses as much as digits as its factorization.

112134955981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 49.

The spelling of 112134955981 in words is "one hundred twelve billion, one hundred thirty-four million, nine hundred fifty-five thousand, nine hundred eighty-one".