10500005550551 has 8 divisors (see below), whose sum is σ = 11469106222464. Its totient is φ = 9533330664120.

The previous prime is 10500005550547. The next prime is 10500005550569. The reversal of 10500005550551 is 15505550000501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10500005550551 - 2² = 10500005550547 is a prime.

It is a super-2 number, since 2×10500005550551² (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 (10500005550521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606437315 + ... + 606454628.

It is an arithmetic number, because the mean of its divisors is an integer number (1433638277808).

Almost surely, 2^{10500005550551} is an apocalyptic number.

10500005550551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10500005550551 is a deficient number, since it is larger than the sum of its proper divisors (969100671913).

10500005550551 is a wasteful number, since it uses less digits than its factorization.

10500005550551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212892741.

The product of its (nonzero) digits is 15625, while the sum is 32.

The spelling of 10500005550551 in words is "ten trillion, five hundred billion, five million, five hundred fifty thousand, five hundred fifty-one".