1054551454520 has 128 divisors (see below), whose sum is σ = 2499292938240. Its totient is φ = 399678935040.

The previous prime is 1054551454519. The next prime is 1054551454549. The reversal of 1054551454520 is 254541554501.

It is a super-2 number, since 2×1054551454520² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78626615 + ... + 78640025.

It is an arithmetic number, because the mean of its divisors is an integer number (19525726080).

Almost surely, 2^{1054551454520} is an apocalyptic number.

1054551454520 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 1054551454520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1249646469120).

1054551454520 is an abundant number, since it is smaller than the sum of its proper divisors (1444741483720).

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

1054551454520 is a wasteful number, since it uses less digits than its factorization.

1054551454520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14245 (or 14241 counting only the distinct ones).

The product of its (nonzero) digits is 400000, while the sum is 41.

The spelling of 1054551454520 in words is "one trillion, fifty-four billion, five hundred fifty-one million, four hundred fifty-four thousand, five hundred twenty".