254140401145511 has 2 divisors, whose sum is σ = 254140401145512. Its totient is φ = 254140401145510.

The previous prime is 254140401145451. The next prime is 254140401145531. The reversal of 254140401145511 is 115541104041452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254140401145511 - 2⁶ = 254140401145447 is a prime.

It is a super-2 number, since 2×254140401145511² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254140401145531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127070200572755 + 127070200572756.

It is an arithmetic number, because the mean of its divisors is an integer number (127070200572756).

Almost surely, 2^{254140401145511} is an apocalyptic number.

254140401145511 is a deficient number, since it is larger than the sum of its proper divisors (1).

254140401145511 is an equidigital number, since it uses as much as digits as its factorization.

254140401145511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64000, while the sum is 38.

Adding to 254140401145511 its reverse (115541104041452), we get a palindrome (369681505186963).

The spelling of 254140401145511 in words is "two hundred fifty-four trillion, one hundred forty billion, four hundred one million, one hundred forty-five thousand, five hundred eleven".