27215155092 has 48 divisors (see below), whose sum is σ = 67290495552. Its totient is φ = 8531351040.

The previous prime is 27215155087. The next prime is 27215155103. The reversal of 27215155092 is 29055151272.

It is a happy number.

It is a super-2 number, since 2×27215155092² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27215155092.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209742 + ... + 313722.

It is an arithmetic number, because the mean of its divisors is an integer number (1401885324).

Almost surely, 2^27215155092 is an apocalyptic number.

It is an amenable number.

27215155092 is an abundant number, since it is smaller than the sum of its proper divisors (40075340460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27215155092 is a wasteful number, since it uses less digits than its factorization.

27215155092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105288 (or 105286 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 39.

The spelling of 27215155092 in words is "twenty-seven billion, two hundred fifteen million, one hundred fifty-five thousand, ninety-two".