130515022421 has 8 divisors (see below), whose sum is σ = 149602639680. Its totient is φ = 111538058688.

The previous prime is 130515022409. The next prime is 130515022423. The reversal of 130515022421 is 124220515031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130515022421 - 2³⁰ = 129441280597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130515022423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27660851 + ... + 27665568.

It is an arithmetic number, because the mean of its divisors is an integer number (18700329960).

Almost surely, 2^130515022421 is an apocalyptic number.

It is an amenable number.

130515022421 is a deficient number, since it is larger than the sum of its proper divisors (19087617259).

130515022421 is an equidigital number, since it uses as much as digits as its factorization.

130515022421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55326763.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 130515022421 its reverse (124220515031), we get a palindrome (254735537452).

The spelling of 130515022421 in words is "one hundred thirty billion, five hundred fifteen million, twenty-two thousand, four hundred twenty-one".