11345415427 has 2 divisors, whose sum is σ = 11345415428. Its totient is φ = 11345415426.

The previous prime is 11345415401. The next prime is 11345415439. The reversal of 11345415427 is 72451454311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11345415427 - 2²³ = 11337026819 is a prime.

It is a super-3 number, since 3×11345415427³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (11345412427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5672707713 + 5672707714.

It is an arithmetic number, because the mean of its divisors is an integer number (5672707714).

Almost surely, 2^11345415427 is an apocalyptic number.

11345415427 is a deficient number, since it is larger than the sum of its proper divisors (1).

11345415427 is an equidigital number, since it uses as much as digits as its factorization.

11345415427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 37.

Adding to 11345415427 its reverse (72451454311), we get a palindrome (83796869738).

It can be divided in two parts, 113454 and 15427, that added together give a square (128881 = 359²).

The spelling of 11345415427 in words is "eleven billion, three hundred forty-five million, four hundred fifteen thousand, four hundred twenty-seven".