2175148955 has 48 divisors (see below), whose sum is σ = 3131187840. Its totient is φ = 1445568768.

The previous prime is 2175148951. The next prime is 2175148961. The reversal of 2175148955 is 5598415712.

It is a happy number.

It is not a de Polignac number, because 2175148955 - 2² = 2175148951 is a prime.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (2175148951) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1254269 + ... + 1256001.

It is an arithmetic number, because the mean of its divisors is an integer number (65233080).

Almost surely, 2^2175148955 is an apocalyptic number.

2175148955 is a deficient number, since it is larger than the sum of its proper divisors (956038885).

2175148955 is a wasteful number, since it uses less digits than its factorization.

2175148955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908 (or 1901 counting only the distinct ones).

The product of its digits is 504000, while the sum is 47.

The square root of 2175148955 is about 46638.4922033292. The cubic root of 2175148955 is about 1295.6757612624.

The spelling of 2175148955 in words is "two billion, one hundred seventy-five million, one hundred forty-eight thousand, nine hundred fifty-five".