1131488455 has 8 divisors (see below), whose sum is σ = 1389362832. Its totient is φ = 884139648.

The previous prime is 1131488411. The next prime is 1131488471. The reversal of 1131488455 is 5548841311.

1131488455 is digitally balanced in base 6, 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 1131488455 - 2⁷ = 1131488327 is a prime.

It is a super-2 number, since 2×1131488455² = 2560532247596574050, which contains 22 as substring.

It is a Duffinian number.

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, 2631154 + ... + 2631583.

It is an arithmetic number, because the mean of its divisors is an integer number (173670354).

Almost surely, 2^1131488455 is an apocalyptic number.

1131488455 is a deficient number, since it is larger than the sum of its proper divisors (257874377).

1131488455 is an equidigital number, since it uses as much as digits as its factorization.

1131488455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5262785.

The product of its digits is 76800, while the sum is 40.

The square root of 1131488455 is about 33637.6047750133. The cubic root of 1131488455 is about 1042.0375657413.

The spelling of 1131488455 in words is "one billion, one hundred thirty-one million, four hundred eighty-eight thousand, four hundred fifty-five".