5451321115400 has 24 divisors (see below), whose sum is σ = 12674321593770. Its totient is φ = 2180528446080.

The previous prime is 5451321115381. The next prime is 5451321115421. The reversal of 5451321115400 is 45111231545.

It can be written as a sum of positive squares in 3 ways, for example, as 2446527683044 + 3004793432356 = 1564138^2 + 1733434^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13628302589 + ... + 13628302988.

Almost surely, 2^{5451321115400} is an apocalyptic number.

5451321115400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5451321115400 is an abundant number, since it is smaller than the sum of its proper divisors (7223000478370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5451321115400 is a wasteful number, since it uses less digits than its factorization.

5451321115400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27256605593 (or 27256605584 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 5451321115400 its reverse (45111231545), we get a palindrome (5496432346945).

The spelling of 5451321115400 in words is "five trillion, four hundred fifty-one billion, three hundred twenty-one million, one hundred fifteen thousand, four hundred".