2113367621553 has 12 divisors (see below), whose sum is σ = 3071369987920. Its totient is φ = 1400268116376.

The previous prime is 2113367621551. The next prime is 2113367621609. The reversal of 2113367621553 is 3551267633112.

2113367621553 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 3 + 6 + 76 + 21 + 553 = 666.

It is not a de Polignac number, because 2113367621553 - 2¹ = 2113367621551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2113367621499 and 2113367621508.

It is not an unprimeable number, because it can be changed into a prime (2113367621551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 720301063 + ... + 720303996.

Almost surely, 2^{2113367621553} is an apocalyptic number.

It is an amenable number.

2113367621553 is a deficient number, since it is larger than the sum of its proper divisors (958002366367).

2113367621553 is a wasteful number, since it uses less digits than its factorization.

2113367621553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440605228 (or 1440605225 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The spelling of 2113367621553 in words is "two trillion, one hundred thirteen billion, three hundred sixty-seven million, six hundred twenty-one thousand, five hundred fifty-three".