11019930901 has 18 divisors (see below), whose sum is σ = 12888087030. Its totient is φ = 9394917840.

The previous prime is 11019930881. The next prime is 11019930907. The reversal of 11019930901 is 10903991011.

It can be written as a sum of positive squares in only one way, i.e., 10827443025 + 192487876 = 104055^2 + 13874^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11019930901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11019930907) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11119516 + ... + 11120506.

It is an arithmetic number, because the mean of its divisors is an integer number (716004835).

Almost surely, 2^11019930901 is an apocalyptic number.

It is an amenable number.

11019930901 is a deficient number, since it is larger than the sum of its proper divisors (1868156129).

11019930901 is an frugal number, since it uses more digits than its factorization.

11019930901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225 (or 1227 counting only the distinct ones).

The product of its (nonzero) digits is 2187, while the sum is 34.

The spelling of 11019930901 in words is "eleven billion, nineteen million, nine hundred thirty thousand, nine hundred one".