27498115536 has 160 divisors (see below), whose sum is σ = 77008071168. Its totient is φ = 8422195200.

The previous prime is 27498115523. The next prime is 27498115559. The reversal of 27498115536 is 63551189472.

It is a super-2 number, since 2×27498115536² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

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 31 ways as a sum of consecutive naturals, for example, 23048956 + ... + 23050148.

Almost surely, 2^27498115536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27498115536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38504035584).

27498115536 is an abundant number, since it is smaller than the sum of its proper divisors (49509955632).

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

27498115536 is a wasteful number, since it uses less digits than its factorization.

27498115536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869 (or 1863 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 51.

The spelling of 27498115536 in words is "twenty-seven billion, four hundred ninety-eight million, one hundred fifteen thousand, five hundred thirty-six".