155324200015 has 16 divisors (see below), whose sum is σ = 192634398720. Its totient is φ = 120105488160.

The previous prime is 155324200007. The next prime is 155324200051. The reversal of 155324200015 is 510002423551.

It is not a de Polignac number, because 155324200015 - 2³ = 155324200007 is a prime.

It is a super-2 number, since 2×155324200015² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 477675 + ... + 734044.

It is an arithmetic number, because the mean of its divisors is an integer number (12039649920).

Almost surely, 2^155324200015 is an apocalyptic number.

155324200015 is a deficient number, since it is larger than the sum of its proper divisors (37310198705).

155324200015 is a wasteful number, since it uses less digits than its factorization.

155324200015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212582.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 155324200015 its reverse (510002423551), we get a palindrome (665326623566).

The spelling of 155324200015 in words is "one hundred fifty-five billion, three hundred twenty-four million, two hundred thousand, fifteen".