125576633251243 has 4 divisors (see below), whose sum is σ = 125576682346080. Its totient is φ = 125576584156408.

The previous prime is 125576633251217. The next prime is 125576633251249. The reversal of 125576633251243 is 342152336675521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125576633251243 is a prime.

It is a super-2 number, since 2×125576633251243² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125576633251249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20486755 + ... + 25900972.

It is an arithmetic number, because the mean of its divisors is an integer number (31394170586520).

Almost surely, 2^{125576633251243} is an apocalyptic number.

125576633251243 is a deficient number, since it is larger than the sum of its proper divisors (49094837).

125576633251243 is an equidigital number, since it uses as much as digits as its factorization.

125576633251243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49094836.

The product of its digits is 27216000, while the sum is 55.

The spelling of 125576633251243 in words is "one hundred twenty-five trillion, five hundred seventy-six billion, six hundred thirty-three million, two hundred fifty-one thousand, two hundred forty-three".