235545416223561 has 24 divisors (see below), whose sum is σ = 360270681366024. Its totient is φ = 147783048215040.

The previous prime is 235545416223457. The next prime is 235545416223587. The reversal of 235545416223561 is 165322614545532.

It is a happy number.

235545416223561 is a `hidden beast` number, since 2 + 3 + 5 + 5 + 4 + 5 + 4 + 1 + 622 + 3 + 5 + 6 + 1 = 666.

235545416223561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2665608063561 + 232879808160000 = 1632669^2 + 15260400^2 .

It is not a de Polignac number, because 235545416223561 - 2⁷ = 235545416223433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 235545416223498 and 235545416223507.

It is not an unprimeable number, because it can be changed into a prime (235545416223361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50651550 + ... + 55105991.

It is an arithmetic number, because the mean of its divisors is an integer number (15011278390251).

Almost surely, 2^{235545416223561} is an apocalyptic number.

It is an amenable number.

235545416223561 is a deficient number, since it is larger than the sum of its proper divisors (124725265142463).

235545416223561 is a wasteful number, since it uses less digits than its factorization.

235545416223561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105772121 (or 105772118 counting only the distinct ones).

The product of its digits is 25920000, while the sum is 54.

The spelling of 235545416223561 in words is "two hundred thirty-five trillion, five hundred forty-five billion, four hundred sixteen million, two hundred twenty-three thousand, five hundred sixty-one".