11031220037 has 2 divisors, whose sum is σ = 11031220038. Its totient is φ = 11031220036.

The previous prime is 11031220001. The next prime is 11031220061. The reversal of 11031220037 is 73002213011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10468154596 + 563065441 = 102314^2 + 23729^2 .

It is a cyclic number.

It is not a de Polignac number, because 11031220037 - 2¹² = 11031215941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11031228037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515610018 + 5515610019.

It is an arithmetic number, because the mean of its divisors is an integer number (5515610019).

Almost surely, 2^11031220037 is an apocalyptic number.

It is an amenable number.

11031220037 is a deficient number, since it is larger than the sum of its proper divisors (1).

11031220037 is an equidigital number, since it uses as much as digits as its factorization.

11031220037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

Adding to 11031220037 its reverse (73002213011), we get a palindrome (84033433048).

The spelling of 11031220037 in words is "eleven billion, thirty-one million, two hundred twenty thousand, thirty-seven".