1141355251 has 8 divisors (see below), whose sum is σ = 1219359680. Its totient is φ = 1065144168.

The previous prime is 1141355249. The next prime is 1141355261. The reversal of 1141355251 is 1525531411.

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 1141355251 - 2¹ = 1141355249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141355261) 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, 447021 + ... + 449566.

It is an arithmetic number, because the mean of its divisors is an integer number (152419960).

Almost surely, 2^1141355251 is an apocalyptic number.

1141355251 is a deficient number, since it is larger than the sum of its proper divisors (78004429).

1141355251 is an equidigital number, since it uses as much as digits as its factorization.

1141355251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896673.

The product of its digits is 3000, while the sum is 28.

The square root of 1141355251 is about 33783.9496062849. The cubic root of 1141355251 is about 1045.0577262587.

Adding to 1141355251 its reverse (1525531411), we get a palindrome (2666886662).

The spelling of 1141355251 in words is "one billion, one hundred forty-one million, three hundred fifty-five thousand, two hundred fifty-one".