11544871254 has 48 divisors (see below), whose sum is σ = 27016411392. Its totient is φ = 3221802864.

The previous prime is 11544871223. The next prime is 11544871259. The reversal of 11544871254 is 45217844511.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11544871259) 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, 3327 + ... + 151989.

It is an arithmetic number, because the mean of its divisors is an integer number (562841904).

Almost surely, 2^11544871254 is an apocalyptic number.

11544871254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11544871254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13508205696).

11544871254 is an abundant number, since it is smaller than the sum of its proper divisors (15471540138).

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

11544871254 is a wasteful number, since it uses less digits than its factorization.

11544871254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148761 (or 148718 counting only the distinct ones).

The product of its digits is 179200, while the sum is 42.

The spelling of 11544871254 in words is "eleven billion, five hundred forty-four million, eight hundred seventy-one thousand, two hundred fifty-four".