11020099977 has 10 divisors (see below), whose sum is σ = 16462124778. Its totient is φ = 7346733264.

The previous prime is 11020099957. The next prime is 11020099991. The reversal of 11020099977 is 77999002011.

It can be written as a sum of positive squares in only one way, i.e., 11010514761 + 9585216 = 104931^2 + 3096^2 .

It is not a de Polignac number, because 11020099977 - 2¹⁹ = 11019575689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11020099927) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 68025228 + ... + 68025389.

Almost surely, 2^11020099977 is an apocalyptic number.

It is an amenable number.

11020099977 is a deficient number, since it is larger than the sum of its proper divisors (5442024801).

11020099977 is an equidigital number, since it uses as much as digits as its factorization.

11020099977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136050629 (or 136050620 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 45.

The spelling of 11020099977 in words is "eleven billion, twenty million, ninety-nine thousand, nine hundred seventy-seven".