125808388001 has 4 divisors (see below), whose sum is σ = 125809397952. Its totient is φ = 125807378052.

The previous prime is 125808387973. The next prime is 125808388037. The reversal of 125808388001 is 100883808521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125808388001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125808388061) 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, 286661 + ... + 577746.

It is an arithmetic number, because the mean of its divisors is an integer number (31452349488).

Almost surely, 2^125808388001 is an apocalyptic number.

It is an amenable number.

125808388001 is a deficient number, since it is larger than the sum of its proper divisors (1009951).

125808388001 is an equidigital number, since it uses as much as digits as its factorization.

125808388001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009950.

The product of its (nonzero) digits is 122880, while the sum is 44.

The spelling of 125808388001 in words is "one hundred twenty-five billion, eight hundred eight million, three hundred eighty-eight thousand, one".