1141581677 has 4 divisors (see below), whose sum is σ = 1141969920. Its totient is φ = 1141193436.

The previous prime is 1141581659. The next prime is 1141581713. The reversal of 1141581677 is 7761851411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1141581677 - 2⁶ = 1141581613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141581647) 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, 189677 + ... + 195602.

It is an arithmetic number, because the mean of its divisors is an integer number (285492480).

Almost surely, 2^1141581677 is an apocalyptic number.

It is an amenable number.

1141581677 is a deficient number, since it is larger than the sum of its proper divisors (388243).

1141581677 is an equidigital number, since it uses as much as digits as its factorization.

1141581677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388242.

The product of its digits is 47040, while the sum is 41.

The square root of 1141581677 is about 33787.3005284530. The cubic root of 1141581677 is about 1045.1268290773.

The spelling of 1141581677 in words is "one billion, one hundred forty-one million, five hundred eighty-one thousand, six hundred seventy-seven".