101425625761 has 4 divisors (see below), whose sum is σ = 101951147332. Its totient is φ = 100900104192.

The previous prime is 101425625747. The next prime is 101425625771. The reversal of 101425625761 is 167526524101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40795920400 + 60629705361 = 201980^2 + 246231^2 .

It is a cyclic number.

It is not a de Polignac number, because 101425625761 - 2²³ = 101417237153 is a prime.

It is a super-2 number, since 2×101425625761² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101425625771) by changing a digit.

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, 262760496 + ... + 262760881.

It is an arithmetic number, because the mean of its divisors is an integer number (25487786833).

Almost surely, 2^101425625761 is an apocalyptic number.

It is an amenable number.

101425625761 is a deficient number, since it is larger than the sum of its proper divisors (525521571).

101425625761 is an equidigital number, since it uses as much as digits as its factorization.

101425625761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525521570.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 101425625761 in words is "one hundred one billion, four hundred twenty-five million, six hundred twenty-five thousand, seven hundred sixty-one".