2111452340156 has 6 divisors (see below), whose sum is σ = 3695041595280. Its totient is φ = 1055726170076.

The previous prime is 2111452340029. The next prime is 2111452340177. The reversal of 2111452340156 is 6510432541112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263931542516 + ... + 263931542523.

It is an arithmetic number, because the mean of its divisors is an integer number (615840265880).

Almost surely, 2^{2111452340156} is an apocalyptic number.

It is an amenable number.

2111452340156 is a deficient number, since it is larger than the sum of its proper divisors (1583589255124).

2111452340156 is a wasteful number, since it uses less digits than its factorization.

2111452340156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527863085043 (or 527863085041 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 2111452340156 its reverse (6510432541112), we get a palindrome (8621884881268).

The spelling of 2111452340156 in words is "two trillion, one hundred eleven billion, four hundred fifty-two million, three hundred forty thousand, one hundred fifty-six".