4405125531551 has 4 divisors (see below), whose sum is σ = 4488241107672. Its totient is φ = 4322009955432.

The previous prime is 4405125531509. The next prime is 4405125531581. The reversal of 4405125531551 is 1551355215044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4405125531551 - 2³⁰ = 4404051789727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4405125531499 and 4405125531508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405125531581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41557787981 + ... + 41557788086.

It is an arithmetic number, because the mean of its divisors is an integer number (1122060276918).

Almost surely, 2^{4405125531551} is an apocalyptic number.

4405125531551 is a deficient number, since it is larger than the sum of its proper divisors (83115576121).

4405125531551 is an equidigital number, since it uses as much as digits as its factorization.

4405125531551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83115576120.

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 4405125531551 in words is "four trillion, four hundred five billion, one hundred twenty-five million, five hundred thirty-one thousand, five hundred fifty-one".