1161451315 has 8 divisors (see below), whose sum is σ = 1394497728. Its totient is φ = 928656960.

The previous prime is 1161451307. The next prime is 1161451337. The reversal of 1161451315 is 5131541611.

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

It is not a de Polignac number, because 1161451315 - 2³ = 1161451307 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52722 + ... + 71431.

It is an arithmetic number, because the mean of its divisors is an integer number (174312216).

Almost surely, 2^1161451315 is an apocalyptic number.

1161451315 is a deficient number, since it is larger than the sum of its proper divisors (233046413).

1161451315 is a wasteful number, since it uses less digits than its factorization.

1161451315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126029.

The product of its digits is 1800, while the sum is 28.

The square root of 1161451315 is about 34080.0721096655. The cubic root of 1161451315 is about 1051.1555879060.

Adding to 1161451315 its reverse (5131541611), we get a palindrome (6292992926).

The spelling of 1161451315 in words is "one billion, one hundred sixty-one million, four hundred fifty-one thousand, three hundred fifteen".