116265019 has 4 divisors (see below), whose sum is σ = 125208496. Its totient is φ = 107321544.

The previous prime is 116265013. The next prime is 116265029. The reversal of 116265019 is 910562611.

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

It is a cyclic number.

It is not a de Polignac number, because 116265019 - 2¹⁹ = 115740731 is a prime.

It is a super-2 number, since 2×116265019² = 27035109286140722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116265013) 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, 4471719 + ... + 4471744.

It is an arithmetic number, because the mean of its divisors is an integer number (31302124).

Almost surely, 2^116265019 is an apocalyptic number.

116265019 is a deficient number, since it is larger than the sum of its proper divisors (8943477).

116265019 is an equidigital number, since it uses as much as digits as its factorization.

116265019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8943476.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 116265019 is about 10782.6257933770. The cubic root of 116265019 is about 488.0710209163.

The spelling of 116265019 in words is "one hundred sixteen million, two hundred sixty-five thousand, nineteen".