1016065051551 has 54 divisors (see below), whose sum is σ = 1625095371536. Its totient is φ = 611289835200.

The previous prime is 1016065051537. The next prime is 1016065051613. The reversal of 1016065051551 is 1551505606101.

It is a happy number.

1016065051551 is a `hidden beast` number, since 1 + 0 + 1 + 6 + 0 + 6 + 50 + 51 + 551 = 666.

It is not a de Polignac number, because 1016065051551 - 2¹⁵ = 1016065018783 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 (1016065011551) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 20414586 + ... + 20464296.

Almost surely, 2^{1016065051551} is an apocalyptic number.

1016065051551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1016065051551 is a deficient number, since it is larger than the sum of its proper divisors (609030319985).

1016065051551 is a wasteful number, since it uses less digits than its factorization.

1016065051551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50013 (or 49862 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 1016065051551 in words is "one trillion, sixteen billion, sixty-five million, fifty-one thousand, five hundred fifty-one".