125750166755 has 4 divisors (see below), whose sum is σ = 150900200112. Its totient is φ = 100600133400.

The previous prime is 125750166749. The next prime is 125750166767. The reversal of 125750166755 is 557661057521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 557661057521 = 1723 ⋅323657027.

It is not a de Polignac number, because 125750166755 - 2¹⁴ = 125750150371 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12575016671 + ... + 12575016680.

It is an arithmetic number, because the mean of its divisors is an integer number (37725050028).

Almost surely, 2^125750166755 is an apocalyptic number.

125750166755 is a deficient number, since it is larger than the sum of its proper divisors (25150033357).

125750166755 is an equidigital number, since it uses as much as digits as its factorization.

125750166755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25150033356.

The product of its (nonzero) digits is 2205000, while the sum is 50.

The spelling of 125750166755 in words is "one hundred twenty-five billion, seven hundred fifty million, one hundred sixty-six thousand, seven hundred fifty-five".