201151001216 has 64 divisors (see below), whose sum is σ = 437273436960. Its totient is φ = 91408665600.

The previous prime is 201151001213. The next prime is 201151001243. The reversal of 201151001216 is 612100151102.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (201151001213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6174731 + ... + 6207221.

Almost surely, 2^201151001216 is an apocalyptic number.

It is an amenable number.

201151001216 is an abundant number, since it is smaller than the sum of its proper divisors (236122435744).

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

201151001216 is a wasteful number, since it uses less digits than its factorization.

201151001216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36913 (or 36901 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 20.

Adding to 201151001216 its reverse (612100151102), we get a palindrome (813251152318).

The spelling of 201151001216 in words is "two hundred one billion, one hundred fifty-one million, one thousand, two hundred sixteen".