211172398151 has 24 divisors (see below), whose sum is σ = 254207017680. Its totient is φ = 174204011520.

The previous prime is 211172398139. The next prime is 211172398187. The reversal of 211172398151 is 151893271112.

It is not a de Polignac number, because 211172398151 - 2¹⁴ = 211172381767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211172398099 and 211172398108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211172394151) 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, 1044890 + ... + 1230503.

It is an arithmetic number, because the mean of its divisors is an integer number (10591959070).

Almost surely, 2^211172398151 is an apocalyptic number.

211172398151 is a deficient number, since it is larger than the sum of its proper divisors (43034619529).

211172398151 is a wasteful number, since it uses less digits than its factorization.

211172398151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275487 (or 2275476 counting only the distinct ones).

The product of its digits is 30240, while the sum is 41.

The spelling of 211172398151 in words is "two hundred eleven billion, one hundred seventy-two million, three hundred ninety-eight thousand, one hundred fifty-one".