5515000425 has 72 divisors (see below), whose sum is σ = 11175222240. Its totient is φ = 2673907200.

The previous prime is 5515000391. The next prime is 5515000427. The reversal of 5515000425 is 5240005155.

It is not a de Polignac number, because 5515000425 - 2¹² = 5514996329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515000427) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 25561 + ... + 108089.

It is an arithmetic number, because the mean of its divisors is an integer number (155211420).

Almost surely, 2^5515000425 is an apocalyptic number.

5515000425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5515000425 is an abundant number, since it is smaller than the sum of its proper divisors (5660221815).

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

5515000425 is a wasteful number, since it uses less digits than its factorization.

5515000425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82565 (or 82548 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 5515000425 is about 74263.0488533833. The cubic root of 5515000425 is about 1766.7774602206. Note that the first 3 decimals are identical.

The spelling of 5515000425 in words is "five billion, five hundred fifteen million, four hundred twenty-five", and thus it is an aban number.