5215445125 has 64 divisors (see below), whose sum is σ = 7363249920. Its totient is φ = 3655392000.

The previous prime is 5215445111. The next prime is 5215445153.

5215445125 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5215445125 - 2⁵ = 5215445093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4299019 + ... + 4300231.

It is an arithmetic number, because the mean of its divisors is an integer number (115050780).

Almost surely, 2^5215445125 is an apocalyptic number.

5215445125 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5215445125 is a deficient number, since it is larger than the sum of its proper divisors (2147804795).

5215445125 is a wasteful number, since it uses less digits than its factorization.

5215445125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351 (or 1341 counting only the distinct ones).

The product of its digits is 40000, while the sum is 34.

The square root of 5215445125 is about 72218.0387784105. The cubic root of 5215445125 is about 1734.1917935962.

It can be divided in two parts, 52154 and 45125, that added together give a palindrome (97279).

The spelling of 5215445125 in words is "five billion, two hundred fifteen million, four hundred forty-five thousand, one hundred twenty-five".