201150000000 has 576 divisors, whose sum is σ = 747069930000. Its totient is φ = 53280000000.

The previous prime is 201149999917. The next prime is 201150000017. The reversal of 201150000000 is 51102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×201150000000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1349999926 + ... + 1350000074.

Almost surely, 2^201150000000 is an apocalyptic number.

201150000000 is a gapful number since it is divisible by the number (20) 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 201150000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373534965000).

201150000000 is an abundant number, since it is smaller than the sum of its proper divisors (545919930000).

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

201150000000 is an frugal number, since it uses more digits than its factorization.

201150000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

Adding to 201150000000 its reverse (51102), we get a palindrome (201150051102).

The spelling of 201150000000 in words is "two hundred one billion, one hundred fifty million", and thus it is an aban number.