2151061153 has 4 divisors (see below), whose sum is σ = 2277594180. Its totient is φ = 2024528128.

The previous prime is 2151061141. The next prime is 2151061169. The reversal of 2151061153 is 3511601512.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 846984609 + 1304076544 = 29103^2 + 36112^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2151061153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2151061123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63266488 + ... + 63266521.

It is an arithmetic number, because the mean of its divisors is an integer number (569398545).

Almost surely, 2^2151061153 is an apocalyptic number.

It is an amenable number.

2151061153 is a deficient number, since it is larger than the sum of its proper divisors (126533027).

2151061153 is a wasteful number, since it uses less digits than its factorization.

2151061153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126533026.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 2151061153 is about 46379.5337729909. The cubic root of 2151061153 is about 1290.8751854065.

Adding to 2151061153 its reverse (3511601512), we get a palindrome (5662662665).

The spelling of 2151061153 in words is "two billion, one hundred fifty-one million, sixty-one thousand, one hundred fifty-three".