11273110087 has 4 divisors (see below), whose sum is σ = 11577788776. Its totient is φ = 10968431400.

The previous prime is 11273110067. The next prime is 11273110099. The reversal of 11273110087 is 78001137211.

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

It is a cyclic number.

It is not a de Polignac number, because 11273110087 - 2⁷ = 11273109959 is a prime.

It is a super-2 number, since 2×11273110087² (a number of 21 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 (11273110027) 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, 152339289 + ... + 152339362.

It is an arithmetic number, because the mean of its divisors is an integer number (2894447194).

Almost surely, 2^11273110087 is an apocalyptic number.

11273110087 is a deficient number, since it is larger than the sum of its proper divisors (304678689).

11273110087 is an equidigital number, since it uses as much as digits as its factorization.

11273110087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304678688.

The product of its (nonzero) digits is 2352, while the sum is 31.

Adding to 11273110087 its reverse (78001137211), we get a palindrome (89274247298).

The spelling of 11273110087 in words is "eleven billion, two hundred seventy-three million, one hundred ten thousand, eighty-seven".