11012321377 has 2 divisors, whose sum is σ = 11012321378. Its totient is φ = 11012321376.

The previous prime is 11012321329. The next prime is 11012321413. The reversal of 11012321377 is 77312321011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10311183936 + 701137441 = 101544^2 + 26479^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11012321377 is a prime.

It is a super-2 number, since 2×11012321377² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11012321977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506160688 + 5506160689.

It is an arithmetic number, because the mean of its divisors is an integer number (5506160689).

Almost surely, 2^11012321377 is an apocalyptic number.

It is an amenable number.

11012321377 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012321377 is an equidigital number, since it uses as much as digits as its factorization.

11012321377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 28.

Adding to 11012321377 its reverse (77312321011), we get a palindrome (88324642388).

The spelling of 11012321377 in words is "eleven billion, twelve million, three hundred twenty-one thousand, three hundred seventy-seven".