130215555 has 12 divisors (see below), whose sum is σ = 225707040. Its totient is φ = 69448272.

The previous prime is 130215551. The next prime is 130215559. The reversal of 130215555 is 555512031.

It is an interprime number because it is at equal distance from previous prime (130215551) and next prime (130215559).

It is not a de Polignac number, because 130215555 - 2² = 130215551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130215551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1446795 + ... + 1446884.

It is an arithmetic number, because the mean of its divisors is an integer number (18808920).

Almost surely, 2^130215555 is an apocalyptic number.

130215555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

130215555 is a deficient number, since it is larger than the sum of its proper divisors (95491485).

130215555 is a wasteful number, since it uses less digits than its factorization.

130215555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2893690 (or 2893687 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 130215555 is about 11411.2030478824. The cubic root of 130215555 is about 506.8595365001.

Adding to 130215555 its reverse (555512031), we get a palindrome (685727586).

The spelling of 130215555 in words is "one hundred thirty million, two hundred fifteen thousand, five hundred fifty-five".