172151872153 has 2 divisors, whose sum is σ = 172151872154. Its totient is φ = 172151872152.

The previous prime is 172151872147. The next prime is 172151872157. The reversal of 172151872153 is 351278151271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168143462809 + 4008409344 = 410053^2 + 63312^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172151872153 is a prime.

It is not a weakly prime, because it can be changed into another prime (172151872157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86075936076 + 86075936077.

It is an arithmetic number, because the mean of its divisors is an integer number (86075936077).

Almost surely, 2^172151872153 is an apocalyptic number.

It is an amenable number.

172151872153 is a deficient number, since it is larger than the sum of its proper divisors (1).

172151872153 is an equidigital number, since it uses as much as digits as its factorization.

172151872153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 43.

The spelling of 172151872153 in words is "one hundred seventy-two billion, one hundred fifty-one million, eight hundred seventy-two thousand, one hundred fifty-three".