235355006861 has 16 divisors (see below), whose sum is σ = 263897619888. Its totient is φ = 208477324800.

The previous prime is 235355006857. The next prime is 235355006863. The reversal of 235355006861 is 168600553532.

It can be written as a sum of positive squares in 8 ways, for example, as 83481122761 + 151873884100 = 288931^2 + 389710^2 .

It is not a de Polignac number, because 235355006861 - 2² = 235355006857 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235355006863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3586886 + ... + 3651911.

It is an arithmetic number, because the mean of its divisors is an integer number (16493601243).

Almost surely, 2^235355006861 is an apocalyptic number.

It is an amenable number.

235355006861 is a deficient number, since it is larger than the sum of its proper divisors (28542613027).

235355006861 is a wasteful number, since it uses less digits than its factorization.

235355006861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7238912.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 235355006861 in words is "two hundred thirty-five billion, three hundred fifty-five million, six thousand, eight hundred sixty-one".