1265090344055 has 8 divisors (see below), whose sum is σ = 1518146632944. Its totient is φ = 1012046795200.

The previous prime is 1265090344033. The next prime is 1265090344097. The reversal of 1265090344055 is 5504430905621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1265090344055 - 2³⁶ = 1196370867319 is a prime.

It is a super-3 number, since 3×1265090344055³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1265090343997 and 1265090344015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2965166 + ... + 3364875.

It is an arithmetic number, because the mean of its divisors is an integer number (189768329118).

Almost surely, 2^{1265090344055} is an apocalyptic number.

1265090344055 is a deficient number, since it is larger than the sum of its proper divisors (253056288889).

1265090344055 is an equidigital number, since it uses as much as digits as its factorization.

1265090344055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6370017.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 1265090344055 in words is "one trillion, two hundred sixty-five billion, ninety million, three hundred forty-four thousand, fifty-five".