201542231150 has 48 divisors (see below), whose sum is σ = 424952228400. Its totient is φ = 70498978560.

The previous prime is 201542231117. The next prime is 201542231179. The reversal of 201542231150 is 51132245102.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

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, 8147255 + ... + 8171954.

It is an arithmetic number, because the mean of its divisors is an integer number (8853171425).

Almost surely, 2^201542231150 is an apocalyptic number.

201542231150 is an abundant number, since it is smaller than the sum of its proper divisors (223409997250).

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

201542231150 is a wasteful number, since it uses less digits than its factorization.

201542231150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16319253 (or 16319248 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 201542231150 its reverse (51132245102), we get a palindrome (252674476252).

The spelling of 201542231150 in words is "two hundred one billion, five hundred forty-two million, two hundred thirty-one thousand, one hundred fifty".