5451215356225 has 24 divisors (see below), whose sum is σ = 6784867115712. Its totient is φ = 4344617659200.

The previous prime is 5451215356219. The next prime is 5451215356259. The reversal of 5451215356225 is 5226535121545.

It is not a de Polignac number, because 5451215356225 - 2¹¹ = 5451215354177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33404580 + ... + 33567370.

It is an arithmetic number, because the mean of its divisors is an integer number (282702796488).

Almost surely, 2^{5451215356225} is an apocalyptic number.

It is an amenable number.

5451215356225 is a deficient number, since it is larger than the sum of its proper divisors (1333651759487).

5451215356225 is a wasteful number, since it uses less digits than its factorization.

5451215356225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167817 (or 167812 counting only the distinct ones).

The product of its digits is 1800000, while the sum is 46.

The spelling of 5451215356225 in words is "five trillion, four hundred fifty-one billion, two hundred fifteen million, three hundred fifty-six thousand, two hundred twenty-five".