155240345535104 has 32 divisors (see below), whose sum is σ = 309769120559700. Its totient is φ = 77494370179072.

The previous prime is 155240345535083. The next prime is 155240345535113. The reversal of 155240345535104 is 401535543042551.

It can be written as a sum of positive squares in 2 ways, for example, as 155158114237504 + 82231297600 = 12456248^2 + 286760^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 982753439 + ... + 982911390.

Almost surely, 2^{155240345535104} is an apocalyptic number.

It is an amenable number.

155240345535104 is a deficient number, since it is larger than the sum of its proper divisors (154528775024596).

155240345535104 is an equidigital number, since it uses as much as digits as its factorization.

155240345535104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965665460 (or 1965665448 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 47.

Adding to 155240345535104 its reverse (401535543042551), we get a palindrome (556775888577655).

The spelling of 155240345535104 in words is "one hundred fifty-five trillion, two hundred forty billion, three hundred forty-five million, five hundred thirty-five thousand, one hundred four".