1151133445 has 32 divisors (see below), whose sum is σ = 1725106176. Its totient is φ = 716385600.

The previous prime is 1151133433. The next prime is 1151133469. The reversal of 1151133445 is 5443311511.

It is not a de Polignac number, because 1151133445 - 2¹³ = 1151125253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263872 + ... + 268198.

It is an arithmetic number, because the mean of its divisors is an integer number (53909568).

Almost surely, 2^1151133445 is an apocalyptic number.

It is an amenable number.

1151133445 is a deficient number, since it is larger than the sum of its proper divisors (573972731).

1151133445 is a wasteful number, since it uses less digits than its factorization.

1151133445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5041.

The product of its digits is 3600, while the sum is 28.

The square root of 1151133445 is about 33928.3575346641. The cubic root of 1151133445 is about 1048.0336426106.

Adding to 1151133445 its reverse (5443311511), we get a palindrome (6594444956).

The spelling of 1151133445 in words is "one billion, one hundred fifty-one million, one hundred thirty-three thousand, four hundred forty-five".