1375354505527 has 2 divisors, whose sum is σ = 1375354505528. Its totient is φ = 1375354505526.

The previous prime is 1375354505491. The next prime is 1375354505561. The reversal of 1375354505527 is 7255054535731.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1375354505527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1375354505227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687677252763 + 687677252764.

It is an arithmetic number, because the mean of its divisors is an integer number (687677252764).

Almost surely, 2^{1375354505527} is an apocalyptic number.

1375354505527 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375354505527 is an equidigital number, since it uses as much as digits as its factorization.

1375354505527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11025000, while the sum is 52.

It can be divided in two parts, 1375354 and 505527, that added together give a palindrome (1880881).

The spelling of 1375354505527 in words is "one trillion, three hundred seventy-five billion, three hundred fifty-four million, five hundred five thousand, five hundred twenty-seven".