11928268357 has 2 divisors, whose sum is σ = 11928268358. Its totient is φ = 11928268356.

The previous prime is 11928268333. The next prime is 11928268463. The reversal of 11928268357 is 75386282911.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10902283396 + 1025984961 = 104414^2 + 32031^2 .

It is a cyclic number.

It is not a de Polignac number, because 11928268357 - 2¹⁹ = 11927744069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11928268057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5964134178 + 5964134179.

It is an arithmetic number, because the mean of its divisors is an integer number (5964134179).

Almost surely, 2^11928268357 is an apocalyptic number.

It is an amenable number.

11928268357 is a deficient number, since it is larger than the sum of its proper divisors (1).

11928268357 is an equidigital number, since it uses as much as digits as its factorization.

11928268357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 52.

The spelling of 11928268357 in words is "eleven billion, nine hundred twenty-eight million, two hundred sixty-eight thousand, three hundred fifty-seven".