125256980337 has 4 divisors (see below), whose sum is σ = 167009307120. Its totient is φ = 83504653556.

The previous prime is 125256980327. The next prime is 125256980371. The reversal of 125256980337 is 733089652521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 733089652521 = 3 ⋅244363217507.

It is a cyclic number.

It is not a de Polignac number, because 125256980337 - 2¹⁰ = 125256979313 is a prime.

It is a super-2 number, since 2×125256980337² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125256980337.

It is not an unprimeable number, because it can be changed into a prime (125256980327) 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, 20876163387 + ... + 20876163392.

It is an arithmetic number, because the mean of its divisors is an integer number (41752326780).

Almost surely, 2^125256980337 is an apocalyptic number.

It is an amenable number.

125256980337 is a deficient number, since it is larger than the sum of its proper divisors (41752326783).

125256980337 is an equidigital number, since it uses as much as digits as its factorization.

125256980337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41752326782.

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 125256980337 in words is "one hundred twenty-five billion, two hundred fifty-six million, nine hundred eighty thousand, three hundred thirty-seven".