2152113775 has 24 divisors (see below), whose sum is σ = 3148242944. Its totient is φ = 1428127200.

The previous prime is 2152113773. The next prime is 2152113797. The reversal of 2152113775 is 5773112512.

It is not a de Polignac number, because 2152113775 - 2¹ = 2152113773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2152113775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152113773) 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, 192927 + ... + 203776.

Almost surely, 2^2152113775 is an apocalyptic number.

2152113775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2152113775 is a deficient number, since it is larger than the sum of its proper divisors (996129169).

2152113775 is a wasteful number, since it uses less digits than its factorization.

2152113775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396751 (or 396746 counting only the distinct ones).

The product of its digits is 14700, while the sum is 34.

The square root of 2152113775 is about 46390.8802999038. The cubic root of 2152113775 is about 1291.0857143718.

The spelling of 2152113775 in words is "two billion, one hundred fifty-two million, one hundred thirteen thousand, seven hundred seventy-five".