112451453921 has 2 divisors, whose sum is σ = 112451453922. Its totient is φ = 112451453920.

The previous prime is 112451453899. The next prime is 112451453941. The reversal of 112451453921 is 129354154211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112450232896 + 1221025 = 335336^2 + 1105^2 .

It is a cyclic number.

It is not a de Polignac number, because 112451453921 - 2³⁰ = 111377712097 is a prime.

It is not a weakly prime, because it can be changed into another prime (112451453941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56225726960 + 56225726961.

It is an arithmetic number, because the mean of its divisors is an integer number (56225726961).

Almost surely, 2^112451453921 is an apocalyptic number.

It is an amenable number.

112451453921 is a deficient number, since it is larger than the sum of its proper divisors (1).

112451453921 is an equidigital number, since it uses as much as digits as its factorization.

112451453921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 38.

The spelling of 112451453921 in words is "one hundred twelve billion, four hundred fifty-one million, four hundred fifty-three thousand, nine hundred twenty-one".