235355401255591 has 2 divisors, whose sum is σ = 235355401255592. Its totient is φ = 235355401255590.

The previous prime is 235355401255547. The next prime is 235355401255631. The reversal of 235355401255591 is 195552104553532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 235355401255591 - 2³⁷ = 235217962302119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235355401265591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117677700627795 + 117677700627796.

It is an arithmetic number, because the mean of its divisors is an integer number (117677700627796).

Almost surely, 2^{235355401255591} is an apocalyptic number.

235355401255591 is a deficient number, since it is larger than the sum of its proper divisors (1).

235355401255591 is an equidigital number, since it uses as much as digits as its factorization.

235355401255591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20250000, while the sum is 55.

The spelling of 235355401255591 in words is "two hundred thirty-five trillion, three hundred fifty-five billion, four hundred one million, two hundred fifty-five thousand, five hundred ninety-one".