27229153801 has 4 divisors (see below), whose sum is σ = 27255514132. Its totient is φ = 27202793472.

The previous prime is 27229153703. The next prime is 27229153837. The reversal of 27229153801 is 10835192272.

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 25013004025 + 2216149776 = 158155^2 + 47076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27229153801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27229153841) 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, 13178616 + ... + 13180681.

It is an arithmetic number, because the mean of its divisors is an integer number (6813878533).

Almost surely, 2^27229153801 is an apocalyptic number.

It is an amenable number.

27229153801 is a deficient number, since it is larger than the sum of its proper divisors (26360331).

27229153801 is a wasteful number, since it uses less digits than its factorization.

27229153801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26360330.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 27229153801 in words is "twenty-seven billion, two hundred twenty-nine million, one hundred fifty-three thousand, eight hundred one".