11577141820 has 24 divisors (see below), whose sum is σ = 24337873728. Its totient is φ = 4625928000.

The previous prime is 11577141811. The next prime is 11577141847. The reversal of 11577141820 is 2814177511.

It is a self number, because there is not a number n which added to its sum of digits gives 11577141820.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288756 + ... + 326395.

It is an arithmetic number, because the mean of its divisors is an integer number (1014078072).

Almost surely, 2^11577141820 is an apocalyptic number.

11577141820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11577141820 is an abundant number, since it is smaller than the sum of its proper divisors (12760731908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11577141820 is a wasteful number, since it uses less digits than its factorization.

11577141820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616101 (or 616099 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 37.

The spelling of 11577141820 in words is "eleven billion, five hundred seventy-seven million, one hundred forty-one thousand, eight hundred twenty".