125603113547 has 2 divisors, whose sum is σ = 125603113548. Its totient is φ = 125603113546.

The previous prime is 125603113513. The next prime is 125603113577. The reversal of 125603113547 is 745311306521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125603113547 - 2²⁴ = 125586336331 is a prime.

It is a super-2 number, since 2×125603113547² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125603113547.

It is not a weakly prime, because it can be changed into another prime (125603113507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62801556773 + 62801556774.

It is an arithmetic number, because the mean of its divisors is an integer number (62801556774).

Almost surely, 2^125603113547 is an apocalyptic number.

125603113547 is a deficient number, since it is larger than the sum of its proper divisors (1).

125603113547 is an equidigital number, since it uses as much as digits as its factorization.

125603113547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 125603113547 in words is "one hundred twenty-five billion, six hundred three million, one hundred thirteen thousand, five hundred forty-seven".