10100061005550 has 48 divisors (see below), whose sum is σ = 25048828022400. Its totient is φ = 2693276835040.

The previous prime is 10100061005549. The next prime is 10100061005597. The reversal of 10100061005550 is 5550016000101.

It is a super-2 number, since 2×10100061005550² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10100061005550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4779169 + ... + 6560531.

It is an arithmetic number, because the mean of its divisors is an integer number (521850583800).

Almost surely, 2^{10100061005550} is an apocalyptic number.

10100061005550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10100061005550 is an abundant number, since it is smaller than the sum of its proper divisors (14948767016850).

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

10100061005550 is a wasteful number, since it uses less digits than its factorization.

10100061005550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819177 (or 1819172 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

Adding to 10100061005550 its reverse (5550016000101), we get a palindrome (15650077005651).

The spelling of 10100061005550 in words is "ten trillion, one hundred billion, sixty-one million, five thousand, five hundred fifty".