172211005150 has 12 divisors (see below), whose sum is σ = 320312469672. Its totient is φ = 68884402040.

The previous prime is 172211005129. The next prime is 172211005177. The reversal of 172211005150 is 51500112271.

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 5 ways as a sum of consecutive naturals, for example, 1722110002 + ... + 1722110101.

It is an arithmetic number, because the mean of its divisors is an integer number (26692705806).

Almost surely, 2^172211005150 is an apocalyptic number.

172211005150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172211005150 is a deficient number, since it is larger than the sum of its proper divisors (148101464522).

172211005150 is a wasteful number, since it uses less digits than its factorization.

172211005150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444220115 (or 3444220110 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 25.

The spelling of 172211005150 in words is "one hundred seventy-two billion, two hundred eleven million, five thousand, one hundred fifty".