5261153220 has 72 divisors (see below), whose sum is σ = 16473649920. Its totient is φ = 1357715520.

The previous prime is 5261153203. The next prime is 5261153231. The reversal of 5261153220 is 223511625.

It is a happy number.

5261153220 is a `hidden beast` number, since 52 + 61 + 1 + 532 + 20 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 465850 + ... + 477009.

Almost surely, 2^5261153220 is an apocalyptic number.

It is an amenable number.

5261153220 is an abundant number, since it is smaller than the sum of its proper divisors (11212496700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5261153220 is a wasteful number, since it uses less digits than its factorization.

5261153220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942905 (or 942900 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 5261153220 is about 72533.8074279849. The cubic root of 5261153220 is about 1739.2432103294.

Adding to 5261153220 its reverse (223511625), we get a palindrome (5484664845).

The spelling of 5261153220 in words is "five billion, two hundred sixty-one million, one hundred fifty-three thousand, two hundred twenty".