125549082371 has 4 divisors (see below), whose sum is σ = 125768958744. Its totient is φ = 125329206000.

The previous prime is 125549082361. The next prime is 125549082377. The reversal of 125549082371 is 173280945521.

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 125549082371 - 2³⁴ = 108369213187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125549082377) 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, 109937330 + ... + 109938471.

It is an arithmetic number, because the mean of its divisors is an integer number (31442239686).

Almost surely, 2^125549082371 is an apocalyptic number.

125549082371 is a deficient number, since it is larger than the sum of its proper divisors (219876373).

125549082371 is an equidigital number, since it uses as much as digits as its factorization.

125549082371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219876372.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 125549082371 in words is "one hundred twenty-five billion, five hundred forty-nine million, eighty-two thousand, three hundred seventy-one".