201553111522532 has 96 divisors (see below), whose sum is σ = 439910624455680. Its totient is φ = 78498910512000.

The previous prime is 201553111522523. The next prime is 201553111522583. The reversal of 201553111522532 is 235225111355102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15302788307 + ... + 15302801477.

It is an arithmetic number, because the mean of its divisors is an integer number (4582402338080).

Almost surely, 2^{201553111522532} is an apocalyptic number.

201553111522532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201553111522532 is an abundant number, since it is smaller than the sum of its proper divisors (238357512933148).

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

201553111522532 is a wasteful number, since it uses less digits than its factorization.

201553111522532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27313 (or 27311 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 38.

Adding to 201553111522532 its reverse (235225111355102), we get a palindrome (436778222877634).

The spelling of 201553111522532 in words is "two hundred one trillion, five hundred fifty-three billion, one hundred eleven million, five hundred twenty-two thousand, five hundred thirty-two".