12111502454 has 8 divisors (see below), whose sum is σ = 18177482568. Its totient is φ = 6052341600.

The previous prime is 12111502397. The next prime is 12111502463. The reversal of 12111502454 is 45420511121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1700372 + ... + 1707479.

It is an arithmetic number, because the mean of its divisors is an integer number (2272185321).

Almost surely, 2^12111502454 is an apocalyptic number.

12111502454 is a deficient number, since it is larger than the sum of its proper divisors (6065980114).

12111502454 is a wasteful number, since it uses less digits than its factorization.

12111502454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409630.

The product of its (nonzero) digits is 1600, while the sum is 26.

The spelling of 12111502454 in words is "twelve billion, one hundred eleven million, five hundred two thousand, four hundred fifty-four".