1065151111551 has 16 divisors (see below), whose sum is σ = 1436025951360. Its totient is φ = 702232342560.

The previous prime is 1065151111547. The next prime is 1065151111573. The reversal of 1065151111551 is 1551111515601.

It is not a de Polignac number, because 1065151111551 - 2² = 1065151111547 is a prime.

It is a super-2 number, since 2×1065151111551² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065151111951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5382145 + ... + 5576538.

It is an arithmetic number, because the mean of its divisors is an integer number (89751621960).

Almost surely, 2^{1065151111551} is an apocalyptic number.

1065151111551 is a deficient number, since it is larger than the sum of its proper divisors (370874839809).

1065151111551 is a wasteful number, since it uses less digits than its factorization.

1065151111551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10959046.

The product of its (nonzero) digits is 3750, while the sum is 33.

The spelling of 1065151111551 in words is "one trillion, sixty-five billion, one hundred fifty-one million, one hundred eleven thousand, five hundred fifty-one".