13542122250 has 96 divisors (see below), whose sum is σ = 36648190800. Its totient is φ = 3608246400.

The previous prime is 13542122239. The next prime is 13542122261. The reversal of 13542122250 is 5222124531.

13542122250 is a `hidden beast` number, since 13 + 5 + 421 + 2 + 225 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (13542122239) and next prime (13542122261).

It can be written as a sum of positive squares in 8 ways, for example, as 518063121 + 13024059129 = 22761^2 + 114123^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4653796 + ... + 4656704.

Almost surely, 2^13542122250 is an apocalyptic number.

13542122250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13542122250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18324095400).

13542122250 is an abundant number, since it is smaller than the sum of its proper divisors (23106068550).

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

13542122250 is a wasteful number, since it uses less digits than its factorization.

13542122250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001 (or 4988 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 13542122250 its reverse (5222124531), we get a palindrome (18764246781).

The spelling of 13542122250 in words is "thirteen billion, five hundred forty-two million, one hundred twenty-two thousand, two hundred fifty".