129302370511 has 4 divisors (see below), whose sum is σ = 129309166800. Its totient is φ = 129295574224.

The previous prime is 129302370503. The next prime is 129302370521. The reversal of 129302370511 is 115073203921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 129302370511 - 2³ = 129302370503 is a prime.

It is a super-2 number, since 2×129302370511² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129302370521) 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 3 ways as a sum of consecutive naturals, for example, 3369526 + ... + 3407683.

It is an arithmetic number, because the mean of its divisors is an integer number (32327291700).

Almost surely, 2^129302370511 is an apocalyptic number.

129302370511 is a deficient number, since it is larger than the sum of its proper divisors (6796289).

129302370511 is an equidigital number, since it uses as much as digits as its factorization.

129302370511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6796288.

The product of its (nonzero) digits is 11340, while the sum is 34.

The spelling of 129302370511 in words is "one hundred twenty-nine billion, three hundred two million, three hundred seventy thousand, five hundred eleven".