27001451124 has 18 divisors (see below), whose sum is σ = 68253668210. Its totient is φ = 9000483696.

The previous prime is 27001451123. The next prime is 27001451131. The reversal of 27001451124 is 42115410072.

It can be written as a sum of positive squares in only one way, i.e., 14784128100 + 12217323024 = 121590^2 + 110532^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27001451123) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 375020119 + ... + 375020190.

Almost surely, 2^27001451124 is an apocalyptic number.

It is an amenable number.

27001451124 is an abundant number, since it is smaller than the sum of its proper divisors (41252217086).

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

27001451124 is a wasteful number, since it uses less digits than its factorization.

27001451124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750040319 (or 750040314 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

Adding to 27001451124 its reverse (42115410072), we get a palindrome (69116861196).

The spelling of 27001451124 in words is "twenty-seven billion, one million, four hundred fifty-one thousand, one hundred twenty-four".