1065125312551 has 8 divisors (see below), whose sum is σ = 1067955467040. Its totient is φ = 1062298731648.

The previous prime is 1065125312543. The next prime is 1065125312569. The reversal of 1065125312551 is 1552135215601.

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 1065125312551 - 2³ = 1065125312543 is a prime.

It is a super-2 number, since 2×1065125312551² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1065125312551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065125312501) 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, 295966 + ... + 1489243.

It is an arithmetic number, because the mean of its divisors is an integer number (133494433380).

Almost surely, 2^{1065125312551} is an apocalyptic number.

1065125312551 is a deficient number, since it is larger than the sum of its proper divisors (2830154489).

1065125312551 is an equidigital number, since it uses as much as digits as its factorization.

1065125312551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786793.

The product of its (nonzero) digits is 45000, while the sum is 37.

The spelling of 1065125312551 in words is "one trillion, sixty-five billion, one hundred twenty-five million, three hundred twelve thousand, five hundred fifty-one".