10621225722550 has 24 divisors (see below), whose sum is σ = 19807060766976. Its totient is φ = 4237397617440.

The previous prime is 10621225722469. The next prime is 10621225722559. The reversal of 10621225722550 is 5522752212601.

10621225722550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10621225722550² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10621225722559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277297449 + ... + 277335748.

It is an arithmetic number, because the mean of its divisors is an integer number (825294198624).

Almost surely, 2^{10621225722550} is an apocalyptic number.

10621225722550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10621225722550 is a deficient number, since it is larger than the sum of its proper divisors (9185835044426).

10621225722550 is a wasteful number, since it uses less digits than its factorization.

10621225722550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554633592 (or 554633587 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 10621225722550 in words is "ten trillion, six hundred twenty-one billion, two hundred twenty-five million, seven hundred twenty-two thousand, five hundred fifty".