125137316803 has 8 divisors (see below), whose sum is σ = 127553207600. Its totient is φ = 122733182880.

The previous prime is 125137316753. The next prime is 125137316813. The reversal of 125137316803 is 308613731521.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125137316803 is a prime.

It is a super-2 number, since 2×125137316803² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125137316813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2917725 + ... + 2960302.

It is an arithmetic number, because the mean of its divisors is an integer number (15944150950).

Almost surely, 2^125137316803 is an apocalyptic number.

125137316803 is a deficient number, since it is larger than the sum of its proper divisors (2415890797).

125137316803 is an equidigital number, since it uses as much as digits as its factorization.

125137316803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5878437.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 125137316803 in words is "one hundred twenty-five billion, one hundred thirty-seven million, three hundred sixteen thousand, eight hundred three".