11477779134580 has 24 divisors (see below), whose sum is σ = 26294548563360. Its totient is φ = 4173737867040.

The previous prime is 11477779134533. The next prime is 11477779134593. The reversal of 11477779134580 is 8543197777411.

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, 26085861450 + ... + 26085861889.

It is an arithmetic number, because the mean of its divisors is an integer number (1095606190140).

Almost surely, 2^{11477779134580} is an apocalyptic number.

11477779134580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11477779134580 is an abundant number, since it is smaller than the sum of its proper divisors (14816769428780).

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

11477779134580 is a wasteful number, since it uses less digits than its factorization.

11477779134580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52171723359 (or 52171723357 counting only the distinct ones).

The product of its (nonzero) digits is 41489280, while the sum is 64.

The spelling of 11477779134580 in words is "eleven trillion, four hundred seventy-seven billion, seven hundred seventy-nine million, one hundred thirty-four thousand, five hundred eighty".