1153400543 has 2 divisors, whose sum is σ = 1153400544. Its totient is φ = 1153400542.

The previous prime is 1153400531. The next prime is 1153400569. The reversal of 1153400543 is 3450043511.

It is an a-pointer prime, because the next prime (1153400569) can be obtained adding 1153400543 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1153400543 - 2¹⁰ = 1153399519 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1153300543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576700271 + 576700272.

It is an arithmetic number, because the mean of its divisors is an integer number (576700272).

Almost surely, 2^1153400543 is an apocalyptic number.

1153400543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153400543 is an equidigital number, since it uses as much as digits as its factorization.

1153400543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1153400543 is about 33961.7511768754. The cubic root of 1153400543 is about 1048.7212075175.

The spelling of 1153400543 in words is "one billion, one hundred fifty-three million, four hundred thousand, five hundred forty-three".