11205154254 has 64 divisors (see below), whose sum is σ = 26075354112. Its totient is φ = 3143884800.

The previous prime is 11205154253. The next prime is 11205154267. The reversal of 11205154254 is 45245150211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11205154253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 759064 + ... + 773684.

It is an arithmetic number, because the mean of its divisors is an integer number (407427408).

Almost surely, 2^11205154254 is an apocalyptic number.

11205154254 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 11205154254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13037677056).

11205154254 is an abundant number, since it is smaller than the sum of its proper divisors (14870199858).

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

11205154254 is a wasteful number, since it uses less digits than its factorization.

11205154254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14961.

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 11205154254 in words is "eleven billion, two hundred five million, one hundred fifty-four thousand, two hundred fifty-four".