16111204450 has 72 divisors (see below), whose sum is σ = 34371175104. Its totient is φ = 5603848800.

The previous prime is 16111204429. The next prime is 16111204471. The reversal of 16111204450 is 5440211161.

It is an interprime number because it is at equal distance from previous prime (16111204429) and next prime (16111204471).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 81259 + ... + 197041.

It is an arithmetic number, because the mean of its divisors is an integer number (477377432).

Almost surely, 2^16111204450 is an apocalyptic number.

16111204450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16111204450 is an abundant number, since it is smaller than the sum of its proper divisors (18259970654).

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

16111204450 is a wasteful number, since it uses less digits than its factorization.

16111204450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115840 (or 115824 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The spelling of 16111204450 in words is "sixteen billion, one hundred eleven million, two hundred four thousand, four hundred fifty".