155463011100 has 144 divisors (see below), whose sum is σ = 499939078240. Its totient is φ = 41444006400.

The previous prime is 155463011029. The next prime is 155463011129. The reversal of 155463011100 is 1110364551.

155463011100 is a `hidden beast` number, since 1 + 5 + 5 + 4 + 630 + 11 + 10 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11497944 + ... + 11511456.

Almost surely, 2^155463011100 is an apocalyptic number.

155463011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155463011100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249969539120).

155463011100 is an abundant number, since it is smaller than the sum of its proper divisors (344476067140).

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

155463011100 is a wasteful number, since it uses less digits than its factorization.

155463011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17797 (or 17784 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

Adding to 155463011100 its reverse (1110364551), we get a palindrome (156573375651).

The spelling of 155463011100 in words is "one hundred fifty-five billion, four hundred sixty-three million, eleven thousand, one hundred".