1151434986 has 32 divisors (see below), whose sum is σ = 2513999040. Its totient is φ = 349432704.

The previous prime is 1151434981. The next prime is 1151434987. The reversal of 1151434986 is 6894341511.

It is not an unprimeable number, because it can be changed into a prime (1151434981) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 95416 + ... + 106803.

It is an arithmetic number, because the mean of its divisors is an integer number (78562470).

Almost surely, 2^1151434986 is an apocalyptic number.

1151434986 is an abundant number, since it is smaller than the sum of its proper divisors (1362564054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1151434986 is a wasteful number, since it uses less digits than its factorization.

1151434986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202310.

The product of its digits is 103680, while the sum is 42.

The square root of 1151434986 is about 33932.8010338080. The cubic root of 1151434986 is about 1048.1251459093.

The spelling of 1151434986 in words is "one billion, one hundred fifty-one million, four hundred thirty-four thousand, nine hundred eighty-six".