10642621512554 has 16 divisors (see below), whose sum is σ = 16905191589000. Its totient is φ = 5007639297024.

The previous prime is 10642621512547. The next prime is 10642621512577. The reversal of 10642621512554 is 45521512624601.

It can be written as a sum of positive squares in 4 ways, for example, as 10556228431225 + 86393081329 = 3249035^2 + 293927^2 .

It is a super-2 number, since 2×10642621512554² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20147279 + ... + 20668770.

Almost surely, 2^{10642621512554} is an apocalyptic number.

10642621512554 is a deficient number, since it is larger than the sum of its proper divisors (6262570076446).

10642621512554 is a wasteful number, since it uses less digits than its factorization.

10642621512554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40823737.

The product of its (nonzero) digits is 576000, while the sum is 44.

The spelling of 10642621512554 in words is "ten trillion, six hundred forty-two billion, six hundred twenty-one million, five hundred twelve thousand, five hundred fifty-four".