1161151893 has 12 divisors (see below), whose sum is σ = 1829694048. Its totient is φ = 703728360.

The previous prime is 1161151889. The next prime is 1161151907. The reversal of 1161151893 is 3981511611.

It is not a de Polignac number, because 1161151893 - 2² = 1161151889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161151843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5864305 + ... + 5864502.

It is an arithmetic number, because the mean of its divisors is an integer number (152474504).

Almost surely, 2^1161151893 is an apocalyptic number.

It is an amenable number.

1161151893 is a deficient number, since it is larger than the sum of its proper divisors (668542155).

1161151893 is a wasteful number, since it uses less digits than its factorization.

1161151893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11728824 (or 11728821 counting only the distinct ones).

The product of its digits is 6480, while the sum is 36.

The square root of 1161151893 is about 34075.6789073967. The cubic root of 1161151893 is about 1051.0652508840.

It can be divided in two parts, 11611518 and 93, that added together give a palindrome (11611611).

The spelling of 1161151893 in words is "one billion, one hundred sixty-one million, one hundred fifty-one thousand, eight hundred ninety-three".