2151118563 has 16 divisors (see below), whose sum is σ = 3133796736. Its totient is φ = 1301667840.

The previous prime is 2151118561. The next prime is 2151118601. The reversal of 2151118563 is 3658111512.

It is a happy number.

2151118563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2151118563 - 2¹ = 2151118561 is a prime.

It is a super-2 number, since 2×2151118563² = 9254622144166369938, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2151118561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29470 + ... + 71907.

It is an arithmetic number, because the mean of its divisors is an integer number (195862296).

Almost surely, 2^2151118563 is an apocalyptic number.

2151118563 is a deficient number, since it is larger than the sum of its proper divisors (982678173).

2151118563 is a wasteful number, since it uses less digits than its factorization.

2151118563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102034.

The product of its digits is 7200, while the sum is 33.

The square root of 2151118563 is about 46380.1526840954. The cubic root of 2151118563 is about 1290.8866694261.

The spelling of 2151118563 in words is "two billion, one hundred fifty-one million, one hundred eighteen thousand, five hundred sixty-three".