127541551104 has 896 divisors, whose sum is σ = 452957184000. Its totient is φ = 35035545600.

The previous prime is 127541551103. The next prime is 127541551127. The reversal of 127541551104 is 401155145721.

127541551104 is a `hidden beast` number, since 1 + 2 + 7 + 541 + 5 + 5 + 1 + 104 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127541551103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1433051092 + ... + 1433051180.

Almost surely, 2^127541551104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127541551104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226478592000).

127541551104 is an abundant number, since it is smaller than the sum of its proper divisors (325415632896).

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

127541551104 is a wasteful number, since it uses less digits than its factorization.

127541551104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 36.

Adding to 127541551104 its reverse (401155145721), we get a palindrome (528696696825).

The spelling of 127541551104 in words is "one hundred twenty-seven billion, five hundred forty-one million, five hundred fifty-one thousand, one hundred four".