3111145152444 has 72 divisors (see below), whose sum is σ = 9206966172768. Its totient is φ = 867218158080.

The previous prime is 3111145152419. The next prime is 3111145152461. The reversal of 3111145152444 is 4442515411113.

3111145152444 is a `hidden beast` number, since 3 + 1 + 1 + 114 + 51 + 52 + 444 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3111145152399 and 3111145152408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150548377 + ... + 150569040.

Almost surely, 2^{3111145152444} is an apocalyptic number.

It is an amenable number.

3111145152444 is an abundant number, since it is smaller than the sum of its proper divisors (6095821020324).

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

3111145152444 is a wasteful number, since it uses less digits than its factorization.

3111145152444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301117475 (or 301117470 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The spelling of 3111145152444 in words is "three trillion, one hundred eleven billion, one hundred forty-five million, one hundred fifty-two thousand, four hundred forty-four".