11477001880 has 64 divisors (see below), whose sum is σ = 26550390240. Its totient is φ = 4461806592.

The previous prime is 11477001871. The next prime is 11477001881. The reversal of 11477001880 is 8810077411.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11477001881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1525087 + ... + 1532593.

Almost surely, 2^11477001880 is an apocalyptic number.

11477001880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11477001880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13275195120).

11477001880 is an abundant number, since it is smaller than the sum of its proper divisors (15073388360).

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

11477001880 is a wasteful number, since it uses less digits than its factorization.

11477001880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8588 (or 8584 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 37.

The spelling of 11477001880 in words is "eleven billion, four hundred seventy-seven million, one thousand, eight hundred eighty".