1131476853 has 16 divisors (see below), whose sum is σ = 1625751680. Its totient is φ = 695836224.

The previous prime is 1131476851. The next prime is 1131476873. The reversal of 1131476853 is 3586741311.

It is not a de Polignac number, because 1131476853 - 2¹ = 1131476851 is a prime.

It is a super-3 number, since 3×1131476853³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131476851) 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, 56400 + ... + 73782.

It is an arithmetic number, because the mean of its divisors is an integer number (101609480).

Almost surely, 2^1131476853 is an apocalyptic number.

1131476853 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1131476853 is a deficient number, since it is larger than the sum of its proper divisors (494274827).

1131476853 is a wasteful number, since it uses less digits than its factorization.

1131476853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19068.

The product of its digits is 60480, while the sum is 39.

The square root of 1131476853 is about 33637.4323187725. The cubic root of 1131476853 is about 1042.0340041315.

The spelling of 1131476853 in words is "one billion, one hundred thirty-one million, four hundred seventy-six thousand, eight hundred fifty-three".