11616450031 has 4 divisors (see below), whose sum is σ = 11616680992. Its totient is φ = 11616219072.

The previous prime is 11616450029. The next prime is 11616450119. The reversal of 11616450031 is 13005461611.

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 11616450031 - 2¹ = 11616450029 is a prime.

It is a super-2 number, since 2×11616450031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11616450331) 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, 4455 + ... + 152488.

It is an arithmetic number, because the mean of its divisors is an integer number (2904170248).

Almost surely, 2^11616450031 is an apocalyptic number.

11616450031 is a deficient number, since it is larger than the sum of its proper divisors (230961).

11616450031 is an equidigital number, since it uses as much as digits as its factorization.

11616450031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230960.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 11616450031 in words is "eleven billion, six hundred sixteen million, four hundred fifty thousand, thirty-one".