253155340043 has 2 divisors, whose sum is σ = 253155340044. Its totient is φ = 253155340042.

The previous prime is 253155340033. The next prime is 253155340051. The reversal of 253155340043 is 340043551352.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253155340043 - 2³⁴ = 235975470859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253155339985 and 253155340012.

It is not a weakly prime, because it can be changed into another prime (253155340033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126577670021 + 126577670022.

It is an arithmetic number, because the mean of its divisors is an integer number (126577670022).

Almost surely, 2^253155340043 is an apocalyptic number.

253155340043 is a deficient number, since it is larger than the sum of its proper divisors (1).

253155340043 is an equidigital number, since it uses as much as digits as its factorization.

253155340043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 253155340043 its reverse (340043551352), we get a palindrome (593198891395).

The spelling of 253155340043 in words is "two hundred fifty-three billion, one hundred fifty-five million, three hundred forty thousand, forty-three".