1141556253 has 8 divisors (see below), whose sum is σ = 1524780768. Its totient is φ = 759684624.

The previous prime is 1141556231. The next prime is 1141556291. The reversal of 1141556253 is 3526551411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1141556253 - 2⁶ = 1141556189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141556293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336250 + ... + 339627.

It is an arithmetic number, because the mean of its divisors is an integer number (190597596).

Almost surely, 2^1141556253 is an apocalyptic number.

It is an amenable number.

1141556253 is a deficient number, since it is larger than the sum of its proper divisors (383224515).

1141556253 is an equidigital number, since it uses as much as digits as its factorization.

1141556253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676443.

The product of its digits is 18000, while the sum is 33.

The square root of 1141556253 is about 33786.9242903227. The cubic root of 1141556253 is about 1045.1190703971.

The spelling of 1141556253 in words is "one billion, one hundred forty-one million, five hundred fifty-six thousand, two hundred fifty-three".