10206450406551 has 16 divisors (see below), whose sum is σ = 15552790202624. Its totient is φ = 5832218424384.

The previous prime is 10206450406541. The next prime is 10206450406651. The reversal of 10206450406551 is 15560405460201.

It is not a de Polignac number, because 10206450406551 - 2⁷ = 10206450406423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10206450406541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1760355 + ... + 4848891.

It is an arithmetic number, because the mean of its divisors is an integer number (972049387664).

Almost surely, 2^{10206450406551} is an apocalyptic number.

10206450406551 is a deficient number, since it is larger than the sum of its proper divisors (5346339796073).

10206450406551 is a wasteful number, since it uses less digits than its factorization.

10206450406551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245910.

The product of its (nonzero) digits is 144000, while the sum is 39.

Adding to 10206450406551 its reverse (15560405460201), we get a palindrome (25766855866752).

The spelling of 10206450406551 in words is "ten trillion, two hundred six billion, four hundred fifty million, four hundred six thousand, five hundred fifty-one".