1161154408 has 32 divisors (see below), whose sum is σ = 2204100360. Its totient is φ = 573419520.

The previous prime is 1161154373. The next prime is 1161154427. The reversal of 1161154408 is 8044511611.

It can be written as a sum of positive squares in 4 ways, for example, as 321198084 + 839956324 = 17922^2 + 28982^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1161154408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474468 + ... + 476908.

Almost surely, 2^1161154408 is an apocalyptic number.

It is an amenable number.

1161154408 is a deficient number, since it is larger than the sum of its proper divisors (1042945952).

1161154408 is a wasteful number, since it uses less digits than its factorization.

1161154408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157 (or 3153 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 1161154408 is about 34075.7158105299. The cubic root of 1161154408 is about 1051.0660097360.

The spelling of 1161154408 in words is "one billion, one hundred sixty-one million, one hundred fifty-four thousand, four hundred eight".