27215120229 has 12 divisors (see below), whose sum is σ = 39885521088. Its totient is φ = 16494012040.

The previous prime is 27215120213. The next prime is 27215120237. The reversal of 27215120229 is 92202151272.

It is not a de Polignac number, because 27215120229 - 2⁴ = 27215120213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 27215120229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27215120299) 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, 37486029 + ... + 37486754.

It is an arithmetic number, because the mean of its divisors is an integer number (3323793424).

Almost surely, 2^27215120229 is an apocalyptic number.

It is an amenable number.

27215120229 is a deficient number, since it is larger than the sum of its proper divisors (12670400859).

27215120229 is a wasteful number, since it uses less digits than its factorization.

27215120229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74972808 (or 74972797 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 27215120229 in words is "twenty-seven billion, two hundred fifteen million, one hundred twenty thousand, two hundred twenty-nine".