11753989121 has 6 divisors (see below), whose sum is σ = 13673007810. Its totient is φ = 10074847776.

The previous prime is 11753989111. The next prime is 11753989127. The reversal of 11753989121 is 12198935711.

It can be written as a sum of positive squares in only one way, i.e., 11699450896 + 54538225 = 108164^2 + 7385^2 .

It is not a de Polignac number, because 11753989121 - 2¹⁰ = 11753988097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11753989127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119938616 + ... + 119938713.

It is an arithmetic number, because the mean of its divisors is an integer number (2278834635).

Almost surely, 2^11753989121 is an apocalyptic number.

It is an amenable number.

11753989121 is a deficient number, since it is larger than the sum of its proper divisors (1919018689).

11753989121 is an equidigital number, since it uses as much as digits as its factorization.

11753989121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239877343 (or 239877336 counting only the distinct ones).

The product of its digits is 136080, while the sum is 47.

The spelling of 11753989121 in words is "eleven billion, seven hundred fifty-three million, nine hundred eighty-nine thousand, one hundred twenty-one".