125738770835 has 4 divisors (see below), whose sum is σ = 150886525008. Its totient is φ = 100591016664.

The previous prime is 125738770831. The next prime is 125738770847. The reversal of 125738770835 is 538077837521.

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 125738770835 - 2² = 125738770831 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125738770831) 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, 12573877079 + ... + 12573877088.

It is an arithmetic number, because the mean of its divisors is an integer number (37721631252).

Almost surely, 2^125738770835 is an apocalyptic number.

125738770835 is a deficient number, since it is larger than the sum of its proper divisors (25147754173).

125738770835 is an equidigital number, since it uses as much as digits as its factorization.

125738770835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25147754172.

The product of its (nonzero) digits is 9878400, while the sum is 56.

The spelling of 125738770835 in words is "one hundred twenty-five billion, seven hundred thirty-eight million, seven hundred seventy thousand, eight hundred thirty-five".