203116101552 has 400 divisors, whose sum is σ = 729119500032. Its totient is φ = 53156113920.

The previous prime is 203116101523. The next prime is 203116101563. The reversal of 203116101552 is 255101611302.

203116101552 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 1 + 6 + 101 + 552 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 15443043 + ... + 15456189.

Almost surely, 2^203116101552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203116101552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364559750016).

203116101552 is an abundant number, since it is smaller than the sum of its proper divisors (526003398480).

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

203116101552 is a wasteful number, since it uses less digits than its factorization.

203116101552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13318 (or 13303 counting only the distinct ones).

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

Adding to 203116101552 its reverse (255101611302), we get a palindrome (458217712854).

The spelling of 203116101552 in words is "two hundred three billion, one hundred sixteen million, one hundred one thousand, five hundred fifty-two".