5125251155 has 4 divisors (see below), whose sum is σ = 6150301392. Its totient is φ = 4100200920.

The previous prime is 5125251151. The next prime is 5125251167. The reversal of 5125251155 is 5511525215.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5125251155 - 2² = 5125251151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5125251151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512525111 + ... + 512525120.

It is an arithmetic number, because the mean of its divisors is an integer number (1537575348).

Almost surely, 2^5125251155 is an apocalyptic number.

5125251155 is a deficient number, since it is larger than the sum of its proper divisors (1025050237).

5125251155 is a wasteful number, since it uses less digits than its factorization.

5125251155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025050236.

The product of its digits is 12500, while the sum is 32.

The square root of 5125251155 is about 71590.8594375008. The cubic root of 5125251155 is about 1724.1367835362.

The spelling of 5125251155 in words is "five billion, one hundred twenty-five million, two hundred fifty-one thousand, one hundred fifty-five".