5415555144 has 16 divisors (see below), whose sum is σ = 13538887920. Its totient is φ = 1805185040.

The previous prime is 5415555121. The next prime is 5415555157. The reversal of 5415555144 is 4415555145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112824042 + ... + 112824089.

It is an arithmetic number, because the mean of its divisors is an integer number (846180495).

Almost surely, 2^5415555144 is an apocalyptic number.

It is an amenable number.

5415555144 is an abundant number, since it is smaller than the sum of its proper divisors (8123332776).

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

5415555144 is a wasteful number, since it uses less digits than its factorization.

5415555144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225648140 (or 225648136 counting only the distinct ones).

The product of its digits is 200000, while the sum is 39.

The square root of 5415555144 is about 73590.4555224385. The cubic root of 5415555144 is about 1756.0936026955.

Subtracting from 5415555144 its reverse (4415555145), we obtain a palindrome (999999999).

The spelling of 5415555144 in words is "five billion, four hundred fifteen million, five hundred fifty-five thousand, one hundred forty-four".