27001451101 has 4 divisors (see below), whose sum is σ = 28589771772. Its totient is φ = 25413130432.

The previous prime is 27001451083. The next prime is 27001451119. The reversal of 27001451101 is 10115410072.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (27001451083) and next prime (27001451119).

It can be written as a sum of positive squares in 2 ways, for example, as 21571971876 + 5429479225 = 146874^2 + 73685^2 .

It is a cyclic number.

It is not a de Polignac number, because 27001451101 - 2¹⁵ = 27001418333 is a prime.

It is a super-2 number, since 2×27001451101² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27001451131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794160310 + ... + 794160343.

It is an arithmetic number, because the mean of its divisors is an integer number (7147442943).

Almost surely, 2^27001451101 is an apocalyptic number.

It is an amenable number.

27001451101 is a deficient number, since it is larger than the sum of its proper divisors (1588320671).

27001451101 is a wasteful number, since it uses less digits than its factorization.

27001451101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588320670.

The product of its (nonzero) digits is 280, while the sum is 22.

Adding to 27001451101 its reverse (10115410072), we get a palindrome (37116861173).

The spelling of 27001451101 in words is "twenty-seven billion, one million, four hundred fifty-one thousand, one hundred one".