125336645043 has 4 divisors (see below), whose sum is σ = 167115526728. Its totient is φ = 83557763360.

The previous prime is 125336645003. The next prime is 125336645081. The reversal of 125336645043 is 340546633521.

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

It is a cyclic number.

It is not a de Polignac number, because 125336645043 - 2¹⁷ = 125336513971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125336644986 and 125336645004.

It is not an unprimeable number, because it can be changed into a prime (125336645003) 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, 20889440838 + ... + 20889440843.

It is an arithmetic number, because the mean of its divisors is an integer number (41778881682).

Almost surely, 2^125336645043 is an apocalyptic number.

125336645043 is a deficient number, since it is larger than the sum of its proper divisors (41778881685).

125336645043 is an equidigital number, since it uses as much as digits as its factorization.

125336645043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41778881684.

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 125336645043 in words is "one hundred twenty-five billion, three hundred thirty-six million, six hundred forty-five thousand, forty-three".