1151445355 has 4 divisors (see below), whose sum is σ = 1381734432. Its totient is φ = 921156280.

The previous prime is 1151445341. The next prime is 1151445359. The reversal of 1151445355 is 5535441511.

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

It is not a de Polignac number, because 1151445355 - 2¹³ = 1151437163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1151445355.

It is not an unprimeable number, because it can be changed into a prime (1151445359) 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, 115144531 + ... + 115144540.

It is an arithmetic number, because the mean of its divisors is an integer number (345433608).

Almost surely, 2^1151445355 is an apocalyptic number.

1151445355 is a deficient number, since it is larger than the sum of its proper divisors (230289077).

1151445355 is an equidigital number, since it uses as much as digits as its factorization.

1151445355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230289076.

The product of its digits is 30000, while the sum is 34.

The square root of 1151445355 is about 33932.9538207330. The cubic root of 1151445355 is about 1048.1282921217.

Adding to 1151445355 its reverse (5535441511), we get a palindrome (6686886866).

The spelling of 1151445355 in words is "one billion, one hundred fifty-one million, four hundred forty-five thousand, three hundred fifty-five".