1161151050 has 24 divisors (see below), whose sum is σ = 2879654976. Its totient is φ = 309640240.

The previous prime is 1161151031. The next prime is 1161151091. The reversal of 1161151050 is 501511611.

It is a happy number.

It is a super-2 number, since 2×1161151050² = 2696543521832205000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3870354 + ... + 3870653.

It is an arithmetic number, because the mean of its divisors is an integer number (119985624).

Almost surely, 2^1161151050 is an apocalyptic number.

1161151050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1161151050 is an abundant number, since it is smaller than the sum of its proper divisors (1718503926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1161151050 is a wasteful number, since it uses less digits than its factorization.

1161151050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7741022 (or 7741017 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 21.

The square root of 1161151050 is about 34075.6665378683. Note that the first 3 decimals coincide. The cubic root of 1161151050 is about 1051.0649965251.

Adding to 1161151050 its reverse (501511611), we get a palindrome (1662662661).

The spelling of 1161151050 in words is "one billion, one hundred sixty-one million, one hundred fifty-one thousand, fifty".