2113354215387 has 12 divisors (see below), whose sum is σ = 3070901935920. Its totient is φ = 1400466265488.

The previous prime is 2113354215341. The next prime is 2113354215403. The reversal of 2113354215387 is 7835124533112.

2113354215387 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 3 + 54 + 215 + 387 = 666.

It is not a de Polignac number, because 2113354215387 - 2²⁶ = 2113287106523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2113354205387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 703043812 + ... + 703046817.

It is an arithmetic number, because the mean of its divisors is an integer number (255908494660).

Almost surely, 2^{2113354215387} is an apocalyptic number.

2113354215387 is a deficient number, since it is larger than the sum of its proper divisors (957547720533).

2113354215387 is a wasteful number, since it uses less digits than its factorization.

2113354215387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406090802 (or 1406090799 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

Adding to 2113354215387 its reverse (7835124533112), we get a palindrome (9948478748499).

The spelling of 2113354215387 in words is "two trillion, one hundred thirteen billion, three hundred fifty-four million, two hundred fifteen thousand, three hundred eighty-seven".