11928453077 has 2 divisors, whose sum is σ = 11928453078. Its totient is φ = 11928453076.

The previous prime is 11928453073. The next prime is 11928453139. The reversal of 11928453077 is 77035482911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11799607876 + 128845201 = 108626^2 + 11351^2 .

It is a cyclic number.

It is not a de Polignac number, because 11928453077 - 2² = 11928453073 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11928453073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5964226538 + 5964226539.

It is an arithmetic number, because the mean of its divisors is an integer number (5964226539).

Almost surely, 2^11928453077 is an apocalyptic number.

It is an amenable number.

11928453077 is a deficient number, since it is larger than the sum of its proper divisors (1).

11928453077 is an equidigital number, since it uses as much as digits as its factorization.

11928453077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 11928453077 in words is "eleven billion, nine hundred twenty-eight million, four hundred fifty-three thousand, seventy-seven".