116153521 has 4 divisors (see below), whose sum is σ = 126712944. Its totient is φ = 105594100.

The previous prime is 116153509. The next prime is 116153539. The reversal of 116153521 is 125351611.

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 116153521 - 2⁵ = 116153489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116153501) 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, 5279695 + ... + 5279716.

It is an arithmetic number, because the mean of its divisors is an integer number (31678236).

Almost surely, 2^116153521 is an apocalyptic number.

116153521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

116153521 is a deficient number, since it is larger than the sum of its proper divisors (10559423).

116153521 is a wasteful number, since it uses less digits than its factorization.

116153521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10559422.

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

The square root of 116153521 is about 10777.4542912508. The cubic root of 116153521 is about 487.9149511935.

The spelling of 116153521 in words is "one hundred sixteen million, one hundred fifty-three thousand, five hundred twenty-one".