1312605126055 has 16 divisors (see below), whose sum is σ = 1577252023200. Its totient is φ = 1048667160960.

The previous prime is 1312605126043. The next prime is 1312605126169. The reversal of 1312605126055 is 5506215062131.

It is a happy number.

It is not a de Polignac number, because 1312605126055 - 2³³ = 1304015191463 is a prime.

It is a super-3 number, since 3×1312605126055³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53631361 + ... + 53655829.

It is an arithmetic number, because the mean of its divisors is an integer number (98578251450).

Almost surely, 2^{1312605126055} is an apocalyptic number.

1312605126055 is a deficient number, since it is larger than the sum of its proper divisors (264646897145).

1312605126055 is a wasteful number, since it uses less digits than its factorization.

1312605126055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38514.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 1312605126055 in words is "one trillion, three hundred twelve billion, six hundred five million, one hundred twenty-six thousand, fifty-five".