12535053400 has 96 divisors (see below), whose sum is σ = 29450615040. Its totient is φ = 4961567360.

The previous prime is 12535053397. The next prime is 12535053403. The reversal of 12535053400 is 435053521.

It is an interprime number because it is at equal distance from previous prime (12535053397) and next prime (12535053403).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12535053403) 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, 8783487 + ... + 8784913.

It is an arithmetic number, because the mean of its divisors is an integer number (306777240).

Almost surely, 2^12535053400 is an apocalyptic number.

12535053400 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 12535053400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14725307520).

12535053400 is an abundant number, since it is smaller than the sum of its proper divisors (16915561640).

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

12535053400 is a wasteful number, since it uses less digits than its factorization.

12535053400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873 (or 1864 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

It can be divided in two parts, 1253505 and 3400, that added together give a triangular number (1256905 = T₁₅₈₅).

The spelling of 12535053400 in words is "twelve billion, five hundred thirty-five million, fifty-three thousand, four hundred".