11612122427 has 4 divisors (see below), whose sum is σ = 11613687096. Its totient is φ = 11610557760.

The previous prime is 11612122373. The next prime is 11612122451. The reversal of 11612122427 is 72422121611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72422121611 = 7 ⋅10346017373.

It is a cyclic number.

It is not a de Polignac number, because 11612122427 - 2¹⁴ = 11612106043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11612122427.

It is not an unprimeable number, because it can be changed into a prime (11612122477) 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, 771149 + ... + 786062.

It is an arithmetic number, because the mean of its divisors is an integer number (2903421774).

Almost surely, 2^11612122427 is an apocalyptic number.

11612122427 is a deficient number, since it is larger than the sum of its proper divisors (1564669).

11612122427 is an equidigital number, since it uses as much as digits as its factorization.

11612122427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564668.

The product of its digits is 2688, while the sum is 29.

The spelling of 11612122427 in words is "eleven billion, six hundred twelve million, one hundred twenty-two thousand, four hundred twenty-seven".