1141004640261 has 32 divisors (see below), whose sum is σ = 1556939273472. Its totient is φ = 743071185920.

The previous prime is 1141004640233. The next prime is 1141004640263. The reversal of 1141004640261 is 1620464001411.

It is a cyclic number.

It is not a de Polignac number, because 1141004640261 - 2¹⁰ = 1141004639237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141004640263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96582991 + ... + 96594803.

It is an arithmetic number, because the mean of its divisors is an integer number (48654352296).

Almost surely, 2^{1141004640261} is an apocalyptic number.

It is an amenable number.

1141004640261 is a deficient number, since it is larger than the sum of its proper divisors (415934633211).

1141004640261 is a wasteful number, since it uses less digits than its factorization.

1141004640261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16013.

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 1141004640261 its reverse (1620464001411), we get a palindrome (2761468641672).

The spelling of 1141004640261 in words is "one trillion, one hundred forty-one billion, four million, six hundred forty thousand, two hundred sixty-one".