125400263018 has 16 divisors (see below), whose sum is σ = 189380181696. Its totient is φ = 62273685600.

The previous prime is 125400263011. The next prime is 125400263057. The reversal of 125400263018 is 810362004521.

It is not an unprimeable number, because it can be changed into a prime (125400263011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1790630 + ... + 1859342.

It is an arithmetic number, because the mean of its divisors is an integer number (11836261356).

Almost surely, 2^125400263018 is an apocalyptic number.

125400263018 is a deficient number, since it is larger than the sum of its proper divisors (63979918678).

125400263018 is a wasteful number, since it uses less digits than its factorization.

125400263018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74909.

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 125400263018 its reverse (810362004521), we get a palindrome (935762267539).

The spelling of 125400263018 in words is "one hundred twenty-five billion, four hundred million, two hundred sixty-three thousand, eighteen".