126445465553 has 8 divisors (see below), whose sum is σ = 140543159616. Its totient is φ = 112781546800.

The previous prime is 126445465541. The next prime is 126445465583. The reversal of 126445465553 is 355564544621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126445465553 - 2⁸ = 126445465297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126445465513) 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, 108443213 + ... + 108444378.

It is an arithmetic number, because the mean of its divisors is an integer number (17567894952).

Almost surely, 2^126445465553 is an apocalyptic number.

It is an amenable number.

126445465553 is a deficient number, since it is larger than the sum of its proper divisors (14097694063).

126445465553 is a wasteful number, since it uses less digits than its factorization.

126445465553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216887655.

The product of its digits is 8640000, while the sum is 50.

The spelling of 126445465553 in words is "one hundred twenty-six billion, four hundred forty-five million, four hundred sixty-five thousand, five hundred fifty-three".