11547377754 has 48 divisors (see below), whose sum is σ = 25415304096. Its totient is φ = 3495048480.

The previous prime is 11547377747. The next prime is 11547377759. The reversal of 11547377754 is 45777374511.

It is a junction number, because it is equal to n+sod(n) for n = 11547377697 and 11547377706.

It is not an unprimeable number, because it can be changed into a prime (11547377759) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 632052 + ... + 650064.

It is an arithmetic number, because the mean of its divisors is an integer number (529485502).

Almost surely, 2^11547377754 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11547377754, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12707652048).

11547377754 is an abundant number, since it is smaller than the sum of its proper divisors (13867926342).

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

11547377754 is a wasteful number, since it uses less digits than its factorization.

11547377754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18923 (or 18912 counting only the distinct ones).

The product of its digits is 2881200, while the sum is 51.

The spelling of 11547377754 in words is "eleven billion, five hundred forty-seven million, three hundred seventy-seven thousand, seven hundred fifty-four".