2113153911 has 24 divisors (see below), whose sum is σ = 3474596736. Its totient is φ = 1225015440.

The previous prime is 2113153813. The next prime is 2113153921. The reversal of 2113153911 is 1193513112.

It is a happy number.

2113153911 is a `hidden beast` number, since 2 + 113 + 1 + 539 + 11 = 666.

It is not a de Polignac number, because 2113153911 - 2¹³ = 2113145719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113153921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 461745 + ... + 466298.

It is an arithmetic number, because the mean of its divisors is an integer number (144774864).

Almost surely, 2^2113153911 is an apocalyptic number.

2113153911 is a deficient number, since it is larger than the sum of its proper divisors (1361442825).

2113153911 is a wasteful number, since it uses less digits than its factorization.

2113153911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928083 (or 928080 counting only the distinct ones).

The product of its digits is 810, while the sum is 27.

The square root of 2113153911 is about 45969.0538406002. The cubic root of 2113153911 is about 1283.2473516503.

The spelling of 2113153911 in words is "two billion, one hundred thirteen million, one hundred fifty-three thousand, nine hundred eleven".