1163550201 has 32 divisors (see below), whose sum is σ = 1756339200. Its totient is φ = 679022400.

The previous prime is 1163550161. The next prime is 1163550221. The reversal of 1163550201 is 1020553611.

It is not a de Polignac number, because 1163550201 - 2²⁶ = 1096441337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1163550221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94975 + ... + 106523.

It is an arithmetic number, because the mean of its divisors is an integer number (54885600).

Almost surely, 2^1163550201 is an apocalyptic number.

1163550201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1163550201 is a deficient number, since it is larger than the sum of its proper divisors (592788999).

1163550201 is a wasteful number, since it uses less digits than its factorization.

1163550201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11677.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1163550201 is about 34110.8516604321. The cubic root of 1163550201 is about 1051.7883962035.

The spelling of 1163550201 in words is "one billion, one hundred sixty-three million, five hundred fifty thousand, two hundred one".