1131860006 has 4 divisors (see below), whose sum is σ = 1697790012. Its totient is φ = 565930002.

The previous prime is 1131859987. The next prime is 1131860027. The reversal of 1131860006 is 6000681311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6000681311 = 41203 ⋅145637.

It is a super-2 number, since 2×1131860006² = 2562214146364640072, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282965000 + ... + 282965003.

It is an arithmetic number, because the mean of its divisors is an integer number (424447503).

Almost surely, 2^1131860006 is an apocalyptic number.

1131860006 is a deficient number, since it is larger than the sum of its proper divisors (565930006).

1131860006 is an equidigital number, since it uses as much as digits as its factorization.

1131860006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565930005.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1131860006 is about 33643.1271733173. The cubic root of 1131860006 is about 1042.1516124871.

The spelling of 1131860006 in words is "one billion, one hundred thirty-one million, eight hundred sixty thousand, six".