105556005520 has 160 divisors (see below), whose sum is σ = 292032308736. Its totient is φ = 34728652800.

The previous prime is 105556005493. The next prime is 105556005557. The reversal of 105556005520 is 25500655501.

It is a super-2 number, since 2×105556005520² (a number of 23 digits) contains 22 as substring.

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, 1362877 + ... + 1438243.

Almost surely, 2^105556005520 is an apocalyptic number.

105556005520 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 105556005520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146016154368).

105556005520 is an abundant number, since it is smaller than the sum of its proper divisors (186476303216).

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

105556005520 is a wasteful number, since it uses less digits than its factorization.

105556005520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75489 (or 75483 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 34.

The spelling of 105556005520 in words is "one hundred five billion, five hundred fifty-six million, five thousand, five hundred twenty".