11457133447 has 2 divisors, whose sum is σ = 11457133448. Its totient is φ = 11457133446.

The previous prime is 11457133417. The next prime is 11457133463. The reversal of 11457133447 is 74433175411.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11457133447 - 2⁷ = 11457133319 is a prime.

It is a super-2 number, since 2×11457133447² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11457133417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5728566723 + 5728566724.

It is an arithmetic number, because the mean of its divisors is an integer number (5728566724).

Almost surely, 2^11457133447 is an apocalyptic number.

11457133447 is a deficient number, since it is larger than the sum of its proper divisors (1).

11457133447 is an equidigital number, since it uses as much as digits as its factorization.

11457133447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 40.

The spelling of 11457133447 in words is "eleven billion, four hundred fifty-seven million, one hundred thirty-three thousand, four hundred forty-seven".