1061051000551 has 4 divisors (see below), whose sum is σ = 1071556456104. Its totient is φ = 1050545545000.

The previous prime is 1061051000533. The next prime is 1061051000567. The reversal of 1061051000551 is 1550001501601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1061051000551 - 2⁹ = 1061051000039 is a prime.

It is a super-2 number, since 2×1061051000551² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061051000351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5252727625 + ... + 5252727826.

It is an arithmetic number, because the mean of its divisors is an integer number (267889114026).

Almost surely, 2^{1061051000551} is an apocalyptic number.

1061051000551 is a deficient number, since it is larger than the sum of its proper divisors (10505455553).

1061051000551 is a wasteful number, since it uses less digits than its factorization.

1061051000551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10505455552.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 1061051000551 in words is "one trillion, sixty-one billion, fifty-one million, five hundred fifty-one", and thus it is an aban number.