1151194536 has 48 divisors (see below), whose sum is σ = 3164366400. Its totient is φ = 378002592.

The previous prime is 1151194511. The next prime is 1151194573. The reversal of 1151194536 is 6354911511.

1151194536 is a `hidden beast` number, since 1 + 1 + 5 + 119 + 4 + 536 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1151194536.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114496 + ... + 124143.

It is an arithmetic number, because the mean of its divisors is an integer number (65924300).

Almost surely, 2^1151194536 is an apocalyptic number.

It is an amenable number.

1151194536 is an abundant number, since it is smaller than the sum of its proper divisors (2013171864).

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

1151194536 is a wasteful number, since it uses less digits than its factorization.

1151194536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238718 (or 238711 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The square root of 1151194536 is about 33929.2578168164. The cubic root of 1151194536 is about 1048.0521821034.

The spelling of 1151194536 in words is "one billion, one hundred fifty-one million, one hundred ninety-four thousand, five hundred thirty-six".