1154054555 has 16 divisors (see below), whose sum is σ = 1446327360. Its totient is φ = 882338688.

The previous prime is 1154054521. The next prime is 1154054557. The reversal of 1154054555 is 5554504511.

It is a cyclic number.

It is not a de Polignac number, because 1154054555 - 2⁶ = 1154054491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1154054557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154241 + ... + 161549.

It is an arithmetic number, because the mean of its divisors is an integer number (90395460).

Almost surely, 2^1154054555 is an apocalyptic number.

1154054555 is a deficient number, since it is larger than the sum of its proper divisors (292272805).

1154054555 is a wasteful number, since it uses less digits than its factorization.

1154054555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8710.

The product of its (nonzero) digits is 50000, while the sum is 35.

The square root of 1154054555 is about 33971.3784677631. The cubic root of 1154054555 is about 1048.9193886443.

The spelling of 1154054555 in words is "one billion, one hundred fifty-four million, fifty-four thousand, five hundred fifty-five".