1136230551 has 8 divisors (see below), whose sum is σ = 1683304560. Its totient is φ = 757487016.

The previous prime is 1136230531. The next prime is 1136230561. The reversal of 1136230551 is 1550326311.

It is not a de Polignac number, because 1136230551 - 2⁷ = 1136230423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 42082613 = 1136230551 / (1 + 1 + 3 + 6 + 2 + 3 + 0 + 5 + 5 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136230531) 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, 21041280 + ... + 21041333.

It is an arithmetic number, because the mean of its divisors is an integer number (210413070).

Almost surely, 2^1136230551 is an apocalyptic number.

1136230551 is a deficient number, since it is larger than the sum of its proper divisors (547074009).

1136230551 is an equidigital number, since it uses as much as digits as its factorization.

1136230551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42082622 (or 42082616 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 1136230551 is about 33708.0190904182. The cubic root of 1136230551 is about 1043.4912718289.

Adding to 1136230551 its reverse (1550326311), we get a palindrome (2686556862).

The spelling of 1136230551 in words is "one billion, one hundred thirty-six million, two hundred thirty thousand, five hundred fifty-one".