11426408737 has 2 divisors, whose sum is σ = 11426408738. Its totient is φ = 11426408736.

The previous prime is 11426408729. The next prime is 11426408759. The reversal of 11426408737 is 73780462411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10460380176 + 966028561 = 102276^2 + 31081^2 .

It is an emirp because it is prime and its reverse (73780462411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11426408737 - 2³ = 11426408729 is a prime.

It is a super-3 number, since 3×11426408737³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11426408693 and 11426408702.

It is not a weakly prime, because it can be changed into another prime (11426408767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5713204368 + 5713204369.

It is an arithmetic number, because the mean of its divisors is an integer number (5713204369).

Almost surely, 2^11426408737 is an apocalyptic number.

It is an amenable number.

11426408737 is a deficient number, since it is larger than the sum of its proper divisors (1).

11426408737 is an equidigital number, since it uses as much as digits as its factorization.

11426408737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 11426408737 in words is "eleven billion, four hundred twenty-six million, four hundred eight thousand, seven hundred thirty-seven".