1254444132553 has 2 divisors, whose sum is σ = 1254444132554. Its totient is φ = 1254444132552.

The previous prime is 1254444132503. The next prime is 1254444132577. The reversal of 1254444132553 is 3552314444521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 924505326144 + 329938806409 = 961512^2 + 574403^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1254444132553 is a prime.

It is not a weakly prime, because it can be changed into another prime (1254444132503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627222066276 + 627222066277.

It is an arithmetic number, because the mean of its divisors is an integer number (627222066277).

Almost surely, 2^{1254444132553} is an apocalyptic number.

It is an amenable number.

1254444132553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254444132553 is an equidigital number, since it uses as much as digits as its factorization.

1254444132553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152000, while the sum is 43.

The spelling of 1254444132553 in words is "one trillion, two hundred fifty-four billion, four hundred forty-four million, one hundred thirty-two thousand, five hundred fifty-three".