130517172555 has 32 divisors (see below), whose sum is σ = 260356336128. Its totient is φ = 54240902400.

The previous prime is 130517172523. The next prime is 130517172559. The reversal of 130517172555 is 555271715031.

It is not a de Polignac number, because 130517172555 - 2⁵ = 130517172523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130517172559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56499786 + ... + 56502095.

It is an arithmetic number, because the mean of its divisors is an integer number (8136135504).

Almost surely, 2^130517172555 is an apocalyptic number.

130517172555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

130517172555 is a deficient number, since it is larger than the sum of its proper divisors (129839163573).

130517172555 is a wasteful number, since it uses less digits than its factorization.

130517172555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113001907.

The product of its (nonzero) digits is 183750, while the sum is 42.

Adding to 130517172555 its reverse (555271715031), we get a palindrome (685788887586).

The spelling of 130517172555 in words is "one hundred thirty billion, five hundred seventeen million, one hundred seventy-two thousand, five hundred fifty-five".