1161548151 has 8 divisors (see below), whose sum is σ = 1549946880. Its totient is φ = 773757432.

The previous prime is 1161548119. The next prime is 1161548161. The reversal of 1161548151 is 1518451611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1161548151 - 2⁵ = 1161548119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161548111) 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, 147525 + ... + 155198.

It is an arithmetic number, because the mean of its divisors is an integer number (193743360).

Almost surely, 2^1161548151 is an apocalyptic number.

1161548151 is a deficient number, since it is larger than the sum of its proper divisors (388398729).

1161548151 is a wasteful number, since it uses less digits than its factorization.

1161548151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304005.

The product of its digits is 4800, while the sum is 33.

The square root of 1161548151 is about 34081.4927930101. The cubic root of 1161548151 is about 1051.1848004588.

Adding to 1161548151 its reverse (1518451611), we get a palindrome (2679999762).

The spelling of 1161548151 in words is "one billion, one hundred sixty-one million, five hundred forty-eight thousand, one hundred fifty-one".