1133551451 has 4 divisors (see below), whose sum is σ = 1135320504. Its totient is φ = 1131782400.

The previous prime is 1133551417. The next prime is 1133551459. The reversal of 1133551451 is 1541553311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1133551451 - 2⁶ = 1133551387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133551459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 883565 + ... + 884846.

It is an arithmetic number, because the mean of its divisors is an integer number (283830126).

Almost surely, 2^1133551451 is an apocalyptic number.

1133551451 is a deficient number, since it is larger than the sum of its proper divisors (1769053).

1133551451 is an equidigital number, since it uses as much as digits as its factorization.

1133551451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769052.

The product of its digits is 4500, while the sum is 29.

The square root of 1133551451 is about 33668.2558354305. The cubic root of 1133551451 is about 1042.6704825405.

The spelling of 1133551451 in words is "one billion, one hundred thirty-three million, five hundred fifty-one thousand, four hundred fifty-one".