125403630242011 has 32 divisors (see below), whose sum is σ = 152477159616000. Its totient is φ = 101648563130880.

The previous prime is 125403630241979. The next prime is 125403630242131. The reversal of 125403630242011 is 110242036304521.

It is a cyclic number.

It is not a de Polignac number, because 125403630242011 - 2⁵ = 125403630241979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125403630242411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 302554690 + ... + 302968888.

It is an arithmetic number, because the mean of its divisors is an integer number (4764911238000).

Almost surely, 2^{125403630242011} is an apocalyptic number.

125403630242011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

125403630242011 is a deficient number, since it is larger than the sum of its proper divisors (27073529373989).

125403630242011 is a wasteful number, since it uses less digits than its factorization.

125403630242011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499459.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 125403630242011 its reverse (110242036304521), we get a palindrome (235645666546532).

The spelling of 125403630242011 in words is "one hundred twenty-five trillion, four hundred three billion, six hundred thirty million, two hundred forty-two thousand, eleven".