129037792503 has 4 divisors (see below), whose sum is σ = 172050390008. Its totient is φ = 86025195000.

The previous prime is 129037792427. The next prime is 129037792523. The reversal of 129037792503 is 305297730921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305297730921 = 3 ⋅101765910307.

It is not a de Polignac number, because 129037792503 - 2²¹ = 129035695351 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 (129037792523) 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, 21506298748 + ... + 21506298753.

It is an arithmetic number, because the mean of its divisors is an integer number (43012597502).

Almost surely, 2^129037792503 is an apocalyptic number.

129037792503 is a deficient number, since it is larger than the sum of its proper divisors (43012597505).

129037792503 is an equidigital number, since it uses as much as digits as its factorization.

129037792503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43012597504.

The product of its (nonzero) digits is 714420, while the sum is 48.

The spelling of 129037792503 in words is "one hundred twenty-nine billion, thirty-seven million, seven hundred ninety-two thousand, five hundred three".