1163541051 has 8 divisors (see below), whose sum is σ = 1723764560. Its totient is φ = 775694016.

The previous prime is 1163541007. The next prime is 1163541053. The reversal of 1163541051 is 1501453611.

1163541051 is a `hidden beast` number, since 11 + 63 + 541 + 0 + 51 = 666.

It is not a de Polignac number, because 1163541051 - 2¹³ = 1163532859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 43094113 = 1163541051 / (1 + 1 + 6 + 3 + 5 + 4 + 1 + 0 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1163541053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21547030 + ... + 21547083.

It is an arithmetic number, because the mean of its divisors is an integer number (215470570).

Almost surely, 2^1163541051 is an apocalyptic number.

1163541051 is a deficient number, since it is larger than the sum of its proper divisors (560223509).

1163541051 is an equidigital number, since it uses as much as digits as its factorization.

1163541051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43094122 (or 43094116 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1163541051 is about 34110.7175386271. The cubic root of 1163541051 is about 1051.7856391561.

Adding to 1163541051 its reverse (1501453611), we get a palindrome (2664994662).

The spelling of 1163541051 in words is "one billion, one hundred sixty-three million, five hundred forty-one thousand, fifty-one".