5155131620 has 12 divisors (see below), whose sum is σ = 10825776444. Its totient is φ = 2062052640.

The previous prime is 5155131617. The next prime is 5155131647. The reversal of 5155131620 is 261315515.

It can be written as a sum of positive squares in 2 ways, for example, as 3730522084 + 1424609536 = 61078^2 + 37744^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128878271 + ... + 128878310.

It is an arithmetic number, because the mean of its divisors is an integer number (902148037).

Almost surely, 2^5155131620 is an apocalyptic number.

It is an amenable number.

5155131620 is an abundant number, since it is smaller than the sum of its proper divisors (5670644824).

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

5155131620 is a wasteful number, since it uses less digits than its factorization.

5155131620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257756590 (or 257756588 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 5155131620 is about 71799.2452606572. The cubic root of 5155131620 is about 1727.4808937579.

The spelling of 5155131620 in words is "five billion, one hundred fifty-five million, one hundred thirty-one thousand, six hundred twenty".