27725135153 has 4 divisors (see below), whose sum is σ = 27731269488. Its totient is φ = 27719000820.

The previous prime is 27725135101. The next prime is 27725135183. The reversal of 27725135153 is 35153152772.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27725135153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27725135153.

It is not an unprimeable number, because it can be changed into a prime (27725135183) 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, 3060383 + ... + 3069428.

It is an arithmetic number, because the mean of its divisors is an integer number (6932817372).

Almost surely, 2^27725135153 is an apocalyptic number.

It is an amenable number.

27725135153 is a deficient number, since it is larger than the sum of its proper divisors (6134335).

27725135153 is an equidigital number, since it uses as much as digits as its factorization.

27725135153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6134334.

The product of its digits is 220500, while the sum is 41.

The spelling of 27725135153 in words is "twenty-seven billion, seven hundred twenty-five million, one hundred thirty-five thousand, one hundred fifty-three".