1541135556 has 36 divisors (see below), whose sum is σ = 3899331072. Its totient is φ = 513226224.

The previous prime is 1541135549. The next prime is 1541135569. The reversal of 1541135556 is 6555311451.

1541135556 is a `hidden beast` number, since 1 + 541 + 13 + 55 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 1541135556.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19441 + ... + 58823.

It is an arithmetic number, because the mean of its divisors is an integer number (108314752).

Almost surely, 2^1541135556 is an apocalyptic number.

It is an amenable number.

1541135556 is an abundant number, since it is smaller than the sum of its proper divisors (2358195516).

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

1541135556 is a wasteful number, since it uses less digits than its factorization.

1541135556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40480 (or 40475 counting only the distinct ones).

The product of its digits is 45000, while the sum is 36.

The square root of 1541135556 is about 39257.2993976916. The cubic root of 1541135556 is about 1155.0841204825.

The spelling of 1541135556 in words is "one billion, five hundred forty-one million, one hundred thirty-five thousand, five hundred fifty-six".