1131133501 has 8 divisors (see below), whose sum is σ = 1141125120. Its totient is φ = 1121159088.

The previous prime is 1131133481. The next prime is 1131133547. The reversal of 1131133501 is 1053311311.

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 1131133501 - 2⁵ = 1131133469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131133561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152460 + ... + 159706.

It is an arithmetic number, because the mean of its divisors is an integer number (142640640).

Almost surely, 2^1131133501 is an apocalyptic number.

It is an amenable number.

1131133501 is a deficient number, since it is larger than the sum of its proper divisors (9991619).

1131133501 is a wasteful number, since it uses less digits than its factorization.

1131133501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8603.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 1131133501 is about 33632.3282125993. The cubic root of 1131133501 is about 1041.9285900864.

Adding to 1131133501 its reverse (1053311311), we get a palindrome (2184444812).

The spelling of 1131133501 in words is "one billion, one hundred thirty-one million, one hundred thirty-three thousand, five hundred one".