125167640043 has 8 divisors (see below), whose sum is σ = 166910764608. Its totient is φ = 83434804424.

The previous prime is 125167640023. The next prime is 125167640071. The reversal of 125167640043 is 340046761521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125167640043 - 2⁶ = 125167639979 is a prime.

It is a super-2 number, since 2×125167640043² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125167639983 and 125167640010.

It is not an unprimeable number, because it can be changed into a prime (125167640023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2543805 + ... + 2592542.

It is an arithmetic number, because the mean of its divisors is an integer number (20863845576).

Almost surely, 2^125167640043 is an apocalyptic number.

125167640043 is a deficient number, since it is larger than the sum of its proper divisors (41743124565).

125167640043 is an equidigital number, since it uses as much as digits as its factorization.

125167640043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5144473.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 125167640043 in words is "one hundred twenty-five billion, one hundred sixty-seven million, six hundred forty thousand, forty-three".