155538554700 has 72 divisors (see below), whose sum is σ = 450066041152. Its totient is φ = 41473154880.

The previous prime is 155538554681. The next prime is 155538554719. The reversal of 155538554700 is 7455835551.

155538554700 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (155538554681) and next prime (155538554719).

It is a self number, because there is not a number n which added to its sum of digits gives 155538554700.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5116947 + ... + 5147253.

Almost surely, 2^155538554700 is an apocalyptic number.

155538554700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155538554700 is an abundant number, since it is smaller than the sum of its proper divisors (294527486452).

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

155538554700 is a wasteful number, since it uses less digits than its factorization.

155538554700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47431 (or 47424 counting only the distinct ones).

The product of its (nonzero) digits is 2100000, while the sum is 48.

The spelling of 155538554700 in words is "one hundred fifty-five billion, five hundred thirty-eight million, five hundred fifty-four thousand, seven hundred".