1051673135965 has 16 divisors (see below), whose sum is σ = 1394341060608. Its totient is φ = 757419832576.

The previous prime is 1051673135963. The next prime is 1051673136023. The reversal of 1051673135965 is 5695313761501.

It is a cyclic number.

It is not a de Polignac number, because 1051673135965 - 2¹ = 1051673135963 is a prime.

It is a super-2 number, since 2×1051673135965² (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 (1051673135963) 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 15 ways as a sum of consecutive naturals, for example, 268968157 + ... + 268972066.

It is an arithmetic number, because the mean of its divisors is an integer number (87146316288).

Almost surely, 2^{1051673135965} is an apocalyptic number.

It is an amenable number.

1051673135965 is a deficient number, since it is larger than the sum of its proper divisors (342667924643).

1051673135965 is a wasteful number, since it uses less digits than its factorization.

1051673135965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537940268.

The product of its (nonzero) digits is 2551500, while the sum is 52.

The spelling of 1051673135965 in words is "one trillion, fifty-one billion, six hundred seventy-three million, one hundred thirty-five thousand, nine hundred sixty-five".