2116611503452 has 12 divisors (see below), whose sum is σ = 3711152486776. Its totient is φ = 1056282221520.

The previous prime is 2116611503401. The next prime is 2116611503473. The reversal of 2116611503452 is 2543051166112.

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, 505880199 + ... + 505884382.

Almost surely, 2^{2116611503452} is an apocalyptic number.

It is an amenable number.

2116611503452 is a deficient number, since it is larger than the sum of its proper divisors (1594540983324).

2116611503452 is a wasteful number, since it uses less digits than its factorization.

2116611503452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011765108 (or 1011765106 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

Adding to 2116611503452 its reverse (2543051166112), we get a palindrome (4659662669564).

The spelling of 2116611503452 in words is "two trillion, one hundred sixteen billion, six hundred eleven million, five hundred three thousand, four hundred fifty-two".