27155145241 has 12 divisors (see below), whose sum is σ = 31569403072. Its totient is φ = 22881312504.

The previous prime is 27155145239. The next prime is 27155145271. The reversal of 27155145241 is 14254155172.

It is a happy number.

It is not a de Polignac number, because 27155145241 - 2¹ = 27155145239 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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 27155145241.

It is not an unprimeable number, because it can be changed into a prime (27155145271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 532845 + ... + 581578.

Almost surely, 2^27155145241 is an apocalyptic number.

It is an amenable number.

27155145241 is a deficient number, since it is larger than the sum of its proper divisors (4414257831).

27155145241 is an equidigital number, since it uses as much as digits as its factorization.

27155145241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114548 (or 1114489 counting only the distinct ones).

The product of its digits is 56000, while the sum is 37.

The spelling of 27155145241 in words is "twenty-seven billion, one hundred fifty-five million, one hundred forty-five thousand, two hundred forty-one".