1161452451 has 4 divisors (see below), whose sum is σ = 1548603272. Its totient is φ = 774301632.

The previous prime is 1161452401. The next prime is 1161452483. The reversal of 1161452451 is 1542541611.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1161452451 - 2⁷ = 1161452323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1161452401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193575406 + ... + 193575411.

It is an arithmetic number, because the mean of its divisors is an integer number (387150818).

Almost surely, 2^1161452451 is an apocalyptic number.

1161452451 is a deficient number, since it is larger than the sum of its proper divisors (387150821).

1161452451 is an equidigital number, since it uses as much as digits as its factorization.

1161452451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387150820.

The product of its digits is 4800, while the sum is 30.

The square root of 1161452451 is about 34080.0887762928. The cubic root of 1161452451 is about 1051.1559306130.

The spelling of 1161452451 in words is "one billion, one hundred sixty-one million, four hundred fifty-two thousand, four hundred fifty-one".