16111046251603 has 4 divisors (see below), whose sum is σ = 16136578813648. Its totient is φ = 16085513689560.

The previous prime is 16111046251579. The next prime is 16111046251627. The reversal of 16111046251603 is 30615264011161.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (16111046251579) and next prime (16111046251627).

It is a cyclic number.

It is not a de Polignac number, because 16111046251603 - 2¹⁷ = 16111046120531 is a prime.

It is a super-2 number, since 2×16111046251603² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16111046251673) 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, 12766280076 + ... + 12766281337.

It is an arithmetic number, because the mean of its divisors is an integer number (4034144703412).

Almost surely, 2^{16111046251603} is an apocalyptic number.

16111046251603 is a deficient number, since it is larger than the sum of its proper divisors (25532562045).

16111046251603 is an equidigital number, since it uses as much as digits as its factorization.

16111046251603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25532562044.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 16111046251603 in words is "sixteen trillion, one hundred eleven billion, forty-six million, two hundred fifty-one thousand, six hundred three".