1141653251 has 4 divisors (see below), whose sum is σ = 1142815632. Its totient is φ = 1140490872.

The previous prime is 1141653239. The next prime is 1141653301. The reversal of 1141653251 is 1523561411.

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 1141653251 - 2¹⁰ = 1141652227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141653221) 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, 579716 + ... + 581681.

It is an arithmetic number, because the mean of its divisors is an integer number (285703908).

Almost surely, 2^1141653251 is an apocalyptic number.

1141653251 is a deficient number, since it is larger than the sum of its proper divisors (1162381).

1141653251 is an equidigital number, since it uses as much as digits as its factorization.

1141653251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162380.

The product of its digits is 3600, while the sum is 29.

The square root of 1141653251 is about 33788.3596967950. The cubic root of 1141653251 is about 1045.1486708039.

The spelling of 1141653251 in words is "one billion, one hundred forty-one million, six hundred fifty-three thousand, two hundred fifty-one".