11822862580 has 12 divisors (see below), whose sum is σ = 24828011460. Its totient is φ = 4729145024.

The previous prime is 11822862577. The next prime is 11822862691. The reversal of 11822862580 is 8526822811.

It can be written as a sum of positive squares in 2 ways, for example, as 4110861456 + 7712001124 = 64116^2 + 87818^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295571545 + ... + 295571584.

It is an arithmetic number, because the mean of its divisors is an integer number (2069000955).

Almost surely, 2^11822862580 is an apocalyptic number.

11822862580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11822862580 is an abundant number, since it is smaller than the sum of its proper divisors (13005148880).

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

11822862580 is a wasteful number, since it uses less digits than its factorization.

11822862580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591143138 (or 591143136 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 43.

The spelling of 11822862580 in words is "eleven billion, eight hundred twenty-two million, eight hundred sixty-two thousand, five hundred eighty".