125403630241993 has 16 divisors (see below), whose sum is σ = 131934433830912. Its totient is φ = 119029668264000.

The previous prime is 125403630241979. The next prime is 125403630242131. The reversal of 125403630241993 is 399142036304521.

It is a cyclic number.

It is not a de Polignac number, because 125403630241993 - 2⁵ = 125403630241961 is a prime.

It is a super-2 number, since 2×125403630241993² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125403630241993.

It is not an unprimeable number, because it can be changed into a prime (125403630241933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7438273 + ... + 17496718.

It is an arithmetic number, because the mean of its divisors is an integer number (8245902114432).

Almost surely, 2^{125403630241993} is an apocalyptic number.

It is an amenable number.

125403630241993 is a deficient number, since it is larger than the sum of its proper divisors (6530803588919).

125403630241993 is a wasteful number, since it uses less digits than its factorization.

125403630241993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24938136.

The product of its (nonzero) digits is 4199040, while the sum is 52.

The spelling of 125403630241993 in words is "one hundred twenty-five trillion, four hundred three billion, six hundred thirty million, two hundred forty-one thousand, nine hundred ninety-three".