1157773211 has 24 divisors (see below), whose sum is σ = 1376079264. Its totient is φ = 953648640.

The previous prime is 1157773193. The next prime is 1157773217. The reversal of 1157773211 is 1123777511.

It is not a de Polignac number, because 1157773211 - 2¹⁸ = 1157511067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1157773217) 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, 1529045 + ... + 1529801.

It is an arithmetic number, because the mean of its divisors is an integer number (57336636).

Almost surely, 2^1157773211 is an apocalyptic number.

1157773211 is a deficient number, since it is larger than the sum of its proper divisors (218306053).

1157773211 is an frugal number, since it uses more digits than its factorization.

1157773211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951 (or 878 counting only the distinct ones).

The product of its digits is 10290, while the sum is 35.

The square root of 1157773211 is about 34026.0666401510. The cubic root of 1157773211 is about 1050.0448086698.

The spelling of 1157773211 in words is "one billion, one hundred fifty-seven million, seven hundred seventy-three thousand, two hundred eleven".