253401435111043 has 2 divisors, whose sum is σ = 253401435111044. Its totient is φ = 253401435111042.

The previous prime is 253401435110977. The next prime is 253401435111053. The reversal of 253401435111043 is 340111534104352.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253401435111043 - 2⁹ = 253401435110531 is a prime.

It is a super-2 number, since 2×253401435111043² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253401435110993 and 253401435111011.

It is not a weakly prime, because it can be changed into another prime (253401435111053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126700717555521 + 126700717555522.

It is an arithmetic number, because the mean of its divisors is an integer number (126700717555522).

Almost surely, 2^{253401435111043} is an apocalyptic number.

253401435111043 is a deficient number, since it is larger than the sum of its proper divisors (1).

253401435111043 is an equidigital number, since it uses as much as digits as its factorization.

253401435111043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 253401435111043 its reverse (340111534104352), we get a palindrome (593512969215395).

The spelling of 253401435111043 in words is "two hundred fifty-three trillion, four hundred one billion, four hundred thirty-five million, one hundred eleven thousand, forty-three".