155205500045002 has 32 divisors (see below), whose sum is σ = 258279900264000. Its totient is φ = 69351516864000.

The previous prime is 155205500044967. The next prime is 155205500045033. The reversal of 155205500045002 is 200540005502551.

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, 138458874 + ... + 139575322.

It is an arithmetic number, because the mean of its divisors is an integer number (8071246883250).

Almost surely, 2^{155205500045002} is an apocalyptic number.

155205500045002 is a deficient number, since it is larger than the sum of its proper divisors (103074400218998).

155205500045002 is a wasteful number, since it uses less digits than its factorization.

155205500045002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223622.

The product of its (nonzero) digits is 50000, while the sum is 34.

Adding to 155205500045002 its reverse (200540005502551), we get a palindrome (355745505547553).

The spelling of 155205500045002 in words is "one hundred fifty-five trillion, two hundred five billion, five hundred million, forty-five thousand, two".