1155655463 has 4 divisors (see below), whose sum is σ = 1172904120. Its totient is φ = 1138406808.

The previous prime is 1155655453. The next prime is 1155655469. The reversal of 1155655463 is 3645565511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1155655463 - 2⁶ = 1155655399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1155655463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155655469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8624228 + ... + 8624361.

It is an arithmetic number, because the mean of its divisors is an integer number (293226030).

Almost surely, 2^1155655463 is an apocalyptic number.

1155655463 is a deficient number, since it is larger than the sum of its proper divisors (17248657).

1155655463 is an equidigital number, since it uses as much as digits as its factorization.

1155655463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17248656.

The product of its digits is 270000, while the sum is 41.

The square root of 1155655463 is about 33994.9329018311. The cubic root of 1155655463 is about 1049.4041859347.

The spelling of 1155655463 in words is "one billion, one hundred fifty-five million, six hundred fifty-five thousand, four hundred sixty-three".