15541251054150 has 96 divisors (see below), whose sum is σ = 38813871780000. Its totient is φ = 4115151129600.

The previous prime is 15541251054139. The next prime is 15541251054157. The reversal of 15541251054150 is 5145015214551.

It is a junction number, because it is equal to n+sod(n) for n = 15541251054099 and 15541251054108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15541251054157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68031120 + ... + 68259180.

It is an arithmetic number, because the mean of its divisors is an integer number (404311164375).

Almost surely, 2^{15541251054150} is an apocalyptic number.

15541251054150 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 15541251054150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19406935890000).

15541251054150 is an abundant number, since it is smaller than the sum of its proper divisors (23272620725850).

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

15541251054150 is a wasteful number, since it uses less digits than its factorization.

15541251054150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231274 (or 231269 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 39.

The spelling of 15541251054150 in words is "fifteen trillion, five hundred forty-one billion, two hundred fifty-one million, fifty-four thousand, one hundred fifty".