5115054400000 has 120 divisors (see below), whose sum is σ = 12774334460580. Its totient is φ = 2046021120000.

The previous prime is 5115054399977. The next prime is 5115054400021. The reversal of 5115054400000 is 44505115.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 55146068224 + 5059908331776 = 234832^2 + 2249424^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1546 + ... + 3198454.

Almost surely, 2^{5115054400000} is an apocalyptic number.

5115054400000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5115054400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6387167230290).

5115054400000 is an abundant number, since it is smaller than the sum of its proper divisors (7659280060580).

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

5115054400000 is an frugal number, since it uses more digits than its factorization.

5115054400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196952 (or 3196916 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 5115054400000 its reverse (44505115), we get a palindrome (5115098905115).

The spelling of 5115054400000 in words is "five trillion, one hundred fifteen billion, fifty-four million, four hundred thousand".