5681211153 has 4 divisors (see below), whose sum is σ = 7574948208. Its totient is φ = 3787474100.

The previous prime is 5681211143. The next prime is 5681211161. The reversal of 5681211153 is 3511121865.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5681211153 - 2⁵ = 5681211121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5681211103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 946868523 + ... + 946868528.

It is an arithmetic number, because the mean of its divisors is an integer number (1893737052).

Almost surely, 2^5681211153 is an apocalyptic number.

It is an amenable number.

5681211153 is a deficient number, since it is larger than the sum of its proper divisors (1893737055).

5681211153 is a wasteful number, since it uses less digits than its factorization.

5681211153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893737054.

The product of its digits is 7200, while the sum is 33.

The square root of 5681211153 is about 75373.8094632346. The cubic root of 5681211153 is about 1784.3510892841.

The spelling of 5681211153 in words is "five billion, six hundred eighty-one million, two hundred eleven thousand, one hundred fifty-three".