11403344077 has 2 divisors, whose sum is σ = 11403344078. Its totient is φ = 11403344076.

The previous prime is 11403343979. The next prime is 11403344119. The reversal of 11403344077 is 77044330411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7789651081 + 3613692996 = 88259^2 + 60114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11403344077 is a prime.

It is a super-2 number, since 2×11403344077² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11403344177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5701672038 + 5701672039.

It is an arithmetic number, because the mean of its divisors is an integer number (5701672039).

Almost surely, 2^11403344077 is an apocalyptic number.

It is an amenable number.

11403344077 is a deficient number, since it is larger than the sum of its proper divisors (1).

11403344077 is an equidigital number, since it uses as much as digits as its factorization.

11403344077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 34.

Adding to 11403344077 its reverse (77044330411), we get a palindrome (88447674488).

It can be divided in two parts, 1140334 and 4077, that added together give a palindrome (1144411).

The spelling of 11403344077 in words is "eleven billion, four hundred three million, three hundred forty-four thousand, seventy-seven".