201161701150 has 24 divisors (see below), whose sum is σ = 379745259480. Its totient is φ = 79263713760.

The previous prime is 201161701129. The next prime is 201161701163. The reversal of 201161701150 is 51107161102.

It is a super-2 number, since 2×201161701150² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30020785 + ... + 30027484.

It is an arithmetic number, because the mean of its divisors is an integer number (15822719145).

Almost surely, 2^201161701150 is an apocalyptic number.

201161701150 is a deficient number, since it is larger than the sum of its proper divisors (178583558330).

201161701150 is a wasteful number, since it uses less digits than its factorization.

201161701150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60048348 (or 60048343 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 25.

Adding to 201161701150 its reverse (51107161102), we get a palindrome (252268862252).

The spelling of 201161701150 in words is "two hundred one billion, one hundred sixty-one million, seven hundred one thousand, one hundred fifty".