1151663655 has 8 divisors (see below), whose sum is σ = 1842661872. Its totient is φ = 614220608.

The previous prime is 1151663647. The next prime is 1151663677. The reversal of 1151663655 is 5563661511.

1151663655 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1151663655 - 2³ = 1151663647 is a prime.

It is a congruent number.

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, 38388774 + ... + 38388803.

It is an arithmetic number, because the mean of its divisors is an integer number (230332734).

Almost surely, 2^1151663655 is an apocalyptic number.

1151663655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1151663655 is a deficient number, since it is larger than the sum of its proper divisors (690998217).

1151663655 is an equidigital number, since it uses as much as digits as its factorization.

1151663655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76777585.

The product of its digits is 81000, while the sum is 39.

The square root of 1151663655 is about 33936.1703054425. The cubic root of 1151663655 is about 1048.1945253844.

The spelling of 1151663655 in words is "one billion, one hundred fifty-one million, six hundred sixty-three thousand, six hundred fifty-five".