1151611463 has 4 divisors (see below), whose sum is σ = 1158676728. Its totient is φ = 1144546200.

The previous prime is 1151611457. The next prime is 1151611469. The reversal of 1151611463 is 3641161511.

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

It is an interprime number because it is at equal distance from previous prime (1151611457) and next prime (1151611469).

It is a cyclic number.

It is not a de Polignac number, because 1151611463 - 2⁸ = 1151611207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151611469) 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, 3532388 + ... + 3532713.

It is an arithmetic number, because the mean of its divisors is an integer number (289669182).

Almost surely, 2^1151611463 is an apocalyptic number.

1151611463 is a deficient number, since it is larger than the sum of its proper divisors (7065265).

1151611463 is an equidigital number, since it uses as much as digits as its factorization.

1151611463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7065264.

The product of its digits is 2160, while the sum is 29.

The square root of 1151611463 is about 33935.4013236915. The cubic root of 1151611463 is about 1048.1786908437.

Adding to 1151611463 its reverse (3641161511), we get a palindrome (4792772974).

The spelling of 1151611463 in words is "one billion, one hundred fifty-one million, six hundred eleven thousand, four hundred sixty-three".