11337729121 has 2 divisors, whose sum is σ = 11337729122. Its totient is φ = 11337729120.

The previous prime is 11337729103. The next prime is 11337729157. The reversal of 11337729121 is 12192773311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11176718400 + 161010721 = 105720^2 + 12689^2 .

It is a cyclic number.

It is not a de Polignac number, because 11337729121 - 2¹⁹ = 11337204833 is a prime.

It is not a weakly prime, because it can be changed into another prime (11337723121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5668864560 + 5668864561.

It is an arithmetic number, because the mean of its divisors is an integer number (5668864561).

Almost surely, 2^11337729121 is an apocalyptic number.

It is an amenable number.

11337729121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11337729121 is an equidigital number, since it uses as much as digits as its factorization.

11337729121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15876, while the sum is 37.

The spelling of 11337729121 in words is "eleven billion, three hundred thirty-seven million, seven hundred twenty-nine thousand, one hundred twenty-one".