5415178881 has 32 divisors (see below), whose sum is σ = 8340772608. Its totient is φ = 3061094400.

The previous prime is 5415178871. The next prime is 5415178889. The reversal of 5415178881 is 1888715145.

It is a happy number.

It is not a de Polignac number, because 5415178881 - 2⁶ = 5415178817 is a prime.

It is a super-2 number, since 2×5415178881² = 58648324626456824322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5415178881.

It is not an unprimeable number, because it can be changed into a prime (5415178889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1424275 + ... + 1428071.

It is an arithmetic number, because the mean of its divisors is an integer number (260649144).

Almost surely, 2^5415178881 is an apocalyptic number.

It is an amenable number.

5415178881 is a deficient number, since it is larger than the sum of its proper divisors (2925593727).

5415178881 is a wasteful number, since it uses less digits than its factorization.

5415178881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4521.

The product of its digits is 358400, while the sum is 48.

The square root of 5415178881 is about 73587.8990119979. The cubic root of 5415178881 is about 1756.0529316819.

The spelling of 5415178881 in words is "five billion, four hundred fifteen million, one hundred seventy-eight thousand, eight hundred eighty-one".