130091505123 has 32 divisors (see below), whose sum is σ = 175946158080. Its totient is φ = 85491573120.

The previous prime is 130091505097. The next prime is 130091505157. The reversal of 130091505123 is 321505190031.

It is a Cunningham number, because it is equal to 360682²-1.

It is not a de Polignac number, because 130091505123 - 2⁵ = 130091505091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130091515123) 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, 105678918 + ... + 105680148.

It is an arithmetic number, because the mean of its divisors is an integer number (5498317440).

Almost surely, 2^130091505123 is an apocalyptic number.

130091505123 is a deficient number, since it is larger than the sum of its proper divisors (45854652957).

130091505123 is a wasteful number, since it uses less digits than its factorization.

130091505123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2739.

The product of its (nonzero) digits is 4050, while the sum is 30.

Adding to 130091505123 its reverse (321505190031), we get a palindrome (451596695154).

The spelling of 130091505123 in words is "one hundred thirty billion, ninety-one million, five hundred five thousand, one hundred twenty-three".