1151443051 has 4 divisors (see below), whose sum is σ = 1256119704. Its totient is φ = 1046766400.

The previous prime is 1151443037. The next prime is 1151443061. The reversal of 1151443051 is 1503441511.

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

It is a cyclic number.

It is not a de Polignac number, because 1151443051 - 2²³ = 1143054443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151443001) 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, 52338310 + ... + 52338331.

It is an arithmetic number, because the mean of its divisors is an integer number (314029926).

Almost surely, 2^1151443051 is an apocalyptic number.

1151443051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1151443051 is a deficient number, since it is larger than the sum of its proper divisors (104676653).

1151443051 is a wasteful number, since it uses less digits than its factorization.

1151443051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104676652.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1151443051 is about 33932.9198714169. The cubic root of 1151443051 is about 1048.1275930324.

Adding to 1151443051 its reverse (1503441511), we get a palindrome (2654884562).

The spelling of 1151443051 in words is "one billion, one hundred fifty-one million, four hundred forty-three thousand, fifty-one".