26752625761 has 4 divisors (see below), whose sum is σ = 26754682132. Its totient is φ = 26750569392.

The previous prime is 26752625749. The next prime is 26752625771. The reversal of 26752625761 is 16752625762.

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 25394334736 + 1358291025 = 159356^2 + 36855^2 .

It is a cyclic number.

It is not a de Polignac number, because 26752625761 - 2⁵ = 26752625729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26752625771) 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, 1008546 + ... + 1034731.

It is an arithmetic number, because the mean of its divisors is an integer number (6688670533).

Almost surely, 2^26752625761 is an apocalyptic number.

It is an amenable number.

26752625761 is a deficient number, since it is larger than the sum of its proper divisors (2056371).

26752625761 is a wasteful number, since it uses less digits than its factorization.

26752625761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056370.

The product of its digits is 2116800, while the sum is 49.

Subtracting from 26752625761 its reverse (16752625762), we obtain a palindrome (9999999999).

The spelling of 26752625761 in words is "twenty-six billion, seven hundred fifty-two million, six hundred twenty-five thousand, seven hundred sixty-one".