155538514200 has 48 divisors (see below), whose sum is σ = 482169395880. Its totient is φ = 41476936960.

The previous prime is 155538514193. The next prime is 155538514211. The reversal of 155538514200 is 2415835551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129614829 + ... + 129616028.

Almost surely, 2^155538514200 is an apocalyptic number.

155538514200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155538514200 is an abundant number, since it is smaller than the sum of its proper divisors (326630881680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155538514200 is a wasteful number, since it uses less digits than its factorization.

155538514200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259230876 (or 259230867 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 39.

The spelling of 155538514200 in words is "one hundred fifty-five billion, five hundred thirty-eight million, five hundred fourteen thousand, two hundred".