1065155511630 has 128 divisors (see below), whose sum is σ = 2997990724608. Its totient is φ = 237127790592.

The previous prime is 1065155511547. The next prime is 1065155511683. The reversal of 1065155511630 is 361155515601.

It is a super-2 number, since 2×1065155511630² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3020512 + ... + 3354668.

It is an arithmetic number, because the mean of its divisors is an integer number (23421802536).

Almost surely, 2^{1065155511630} is an apocalyptic number.

1065155511630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1065155511630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1498995362304).

1065155511630 is an abundant number, since it is smaller than the sum of its proper divisors (1932835212978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1065155511630 is a wasteful number, since it uses less digits than its factorization.

1065155511630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334570.

The product of its (nonzero) digits is 67500, while the sum is 39.

The spelling of 1065155511630 in words is "one trillion, sixty-five billion, one hundred fifty-five million, five hundred eleven thousand, six hundred thirty".