1141251553 has 16 divisors (see below), whose sum is σ = 1240989120. Its totient is φ = 1043273664.

The previous prime is 1141251547. The next prime is 1141251563. The reversal of 1141251553 is 3551521411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1141251553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141251563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657675 + ... + 659407.

It is an arithmetic number, because the mean of its divisors is an integer number (77561820).

Almost surely, 2^1141251553 is an apocalyptic number.

1141251553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1141251553 is a deficient number, since it is larger than the sum of its proper divisors (99737567).

1141251553 is a wasteful number, since it uses less digits than its factorization.

1141251553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208.

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

The square root of 1141251553 is about 33782.4148485569. The cubic root of 1141251553 is about 1045.0260756754.

Adding to 1141251553 its reverse (3551521411), we get a palindrome (4692772964).

The spelling of 1141251553 in words is "one billion, one hundred forty-one million, two hundred fifty-one thousand, five hundred fifty-three".