1054115255550 has 96 divisors (see below), whose sum is σ = 2989919204352. Its totient is φ = 240758743680.

The previous prime is 1054115255519. The next prime is 1054115255569. The reversal of 1054115255550 is 555525114501.

It is a super-2 number, since 2×1054115255550² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1054115255499 and 1054115255508.

It is a congruent number.

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, 1015084 + ... + 1771616.

It is an arithmetic number, because the mean of its divisors is an integer number (31144991712).

Almost surely, 2^{1054115255550} is an apocalyptic number.

1054115255550 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 1054115255550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1494959602176).

1054115255550 is an abundant number, since it is smaller than the sum of its proper divisors (1935803948802).

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

1054115255550 is a wasteful number, since it uses less digits than its factorization.

1054115255550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757882 (or 757877 counting only the distinct ones).

The product of its (nonzero) digits is 125000, while the sum is 39.

The spelling of 1054115255550 in words is "one trillion, fifty-four billion, one hundred fifteen million, two hundred fifty-five thousand, five hundred fifty".