155233063505 has 16 divisors (see below), whose sum is σ = 200618861520. Its totient is φ = 114627944448.

The previous prime is 155233063471. The next prime is 155233063547. The reversal of 155233063505 is 505360332551.

It can be written as a sum of positive squares in 8 ways, for example, as 27793984 + 155205269521 = 5272^2 + 393961^2 .

It is a cyclic number.

It is not a de Polignac number, because 155233063505 - 2³⁶ = 86513586769 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1619561 + ... + 1712729.

It is an arithmetic number, because the mean of its divisors is an integer number (12538678845).

Almost surely, 2^155233063505 is an apocalyptic number.

It is an amenable number.

155233063505 is a deficient number, since it is larger than the sum of its proper divisors (45385798015).

155233063505 is a wasteful number, since it uses less digits than its factorization.

155233063505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118820.

The product of its (nonzero) digits is 202500, while the sum is 38.

The spelling of 155233063505 in words is "one hundred fifty-five billion, two hundred thirty-three million, sixty-three thousand, five hundred five".