11928453097 has 12 divisors (see below), whose sum is σ = 13114140480. Its totient is φ = 10841815160.

The previous prime is 11928453077. The next prime is 11928453139. The reversal of 11928453097 is 79035482911.

It is a happy number.

It is not a de Polignac number, because 11928453097 - 2¹¹ = 11928451049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11928453097.

It is not an unprimeable number, because it can be changed into a prime (11928453007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 966588 + ... + 978850.

It is an arithmetic number, because the mean of its divisors is an integer number (1092845040).

Almost surely, 2^11928453097 is an apocalyptic number.

It is an amenable number.

11928453097 is a deficient number, since it is larger than the sum of its proper divisors (1185687383).

11928453097 is a wasteful number, since it uses less digits than its factorization.

11928453097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20324 (or 20313 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 11928453097 in words is "eleven billion, nine hundred twenty-eight million, four hundred fifty-three thousand, ninety-seven".