2150001777161 has 24 divisors (see below), whose sum is σ = 2554408112256. Its totient is φ = 1803527177760.

The previous prime is 2150001777139. The next prime is 2150001777163. The reversal of 2150001777161 is 1617771000512.

It is not a de Polignac number, because 2150001777161 - 2⁶ = 2150001777097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2150001777163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54853991 + ... + 54893171.

It is an arithmetic number, because the mean of its divisors is an integer number (106433671344).

Almost surely, 2^{2150001777161} is an apocalyptic number.

It is an amenable number.

2150001777161 is a deficient number, since it is larger than the sum of its proper divisors (404406335095).

2150001777161 is a wasteful number, since it uses less digits than its factorization.

2150001777161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63069 (or 63062 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 38.

Adding to 2150001777161 its reverse (1617771000512), we get a palindrome (3767772777673).

The spelling of 2150001777161 in words is "two trillion, one hundred fifty billion, one million, seven hundred seventy-seven thousand, one hundred sixty-one".