1151567432 has 8 divisors (see below), whose sum is σ = 2159188950. Its totient is φ = 575783712.

The previous prime is 1151567423. The next prime is 1151567497. The reversal of 1151567432 is 2347651511.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1151516356 + 51076 = 33934^2 + 226^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1151567432² = 2652215100886149248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1151567392 and 1151567401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71972957 + ... + 71972972.

Almost surely, 2^1151567432 is an apocalyptic number.

It is an amenable number.

1151567432 is a deficient number, since it is larger than the sum of its proper divisors (1007621518).

1151567432 is a wasteful number, since it uses less digits than its factorization.

1151567432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143945935 (or 143945931 counting only the distinct ones).

The product of its digits is 25200, while the sum is 35.

The square root of 1151567432 is about 33934.7525701898. The cubic root of 1151567432 is about 1048.1653318982.

The spelling of 1151567432 in words is "one billion, one hundred fifty-one million, five hundred sixty-seven thousand, four hundred thirty-two".