5515451425 has 24 divisors (see below), whose sum is σ = 7530669792. Its totient is φ = 3973728000.

The previous prime is 5515451407. The next prime is 5515451467. The reversal of 5515451425 is 5241545155.

It is not a de Polignac number, because 5515451425 - 2⁷ = 5515451297 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, 64296 + ... + 123145.

It is an arithmetic number, because the mean of its divisors is an integer number (313777908).

Almost surely, 2^5515451425 is an apocalyptic number.

5515451425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5515451425 is a deficient number, since it is larger than the sum of its proper divisors (2015218367).

5515451425 is a wasteful number, since it uses less digits than its factorization.

5515451425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187569 (or 187564 counting only the distinct ones).

The product of its digits is 100000, while the sum is 37.

The square root of 5515451425 is about 74266.0852947023. The cubic root of 5515451425 is about 1766.8256194744.

The spelling of 5515451425 in words is "five billion, five hundred fifteen million, four hundred fifty-one thousand, four hundred twenty-five".