1453457111 has 2 divisors, whose sum is σ = 1453457112. Its totient is φ = 1453457110.

The previous prime is 1453457081. The next prime is 1453457113. The reversal of 1453457111 is 1117543541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1453457111 - 2²² = 1449262807 is a prime.

It is a super-2 number, since 2×1453457111² = 4225075147032932642, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1453457113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1453457113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726728555 + 726728556.

It is an arithmetic number, because the mean of its divisors is an integer number (726728556).

Almost surely, 2^1453457111 is an apocalyptic number.

1453457111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1453457111 is an equidigital number, since it uses as much as digits as its factorization.

1453457111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 32.

The square root of 1453457111 is about 38124.2325955553. The cubic root of 1453457111 is about 1132.7500073592.

The spelling of 1453457111 in words is "one billion, four hundred fifty-three million, four hundred fifty-seven thousand, one hundred eleven".