1152555477 has 16 divisors (see below), whose sum is σ = 1642942080. Its totient is φ = 716147712.

The previous prime is 1152555473. The next prime is 1152555491. The reversal of 1152555477 is 7745552511.

It is not a de Polignac number, because 1152555477 - 2² = 1152555473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152555473) 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, 104452 + ... + 114957.

It is an arithmetic number, because the mean of its divisors is an integer number (102683880).

Almost surely, 2^1152555477 is an apocalyptic number.

1152555477 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1152555477 is a deficient number, since it is larger than the sum of its proper divisors (490386603).

1152555477 is a wasteful number, since it uses less digits than its factorization.

1152555477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219532.

The product of its digits is 245000, while the sum is 42.

The square root of 1152555477 is about 33949.3074597995. The cubic root of 1152555477 is about 1048.4650215317.

The spelling of 1152555477 in words is "one billion, one hundred fifty-two million, five hundred fifty-five thousand, four hundred seventy-seven".