1235522051345 has 16 divisors (see below), whose sum is σ = 1485486904080. Its totient is φ = 986512207104.

The previous prime is 1235522051327. The next prime is 1235522051347. The reversal of 1235522051345 is 5431502255321.

It can be written as a sum of positive squares in 8 ways, for example, as 750870774784 + 484651276561 = 866528^2 + 696169^2 .

It is a cyclic number.

It is not a de Polignac number, because 1235522051345 - 2¹⁴ = 1235522034961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1235522051299 and 1235522051308.

It is not an unprimeable number, because it can be changed into a prime (1235522051347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6462467 + ... + 6650903.

It is an arithmetic number, because the mean of its divisors is an integer number (92842931505).

Almost surely, 2^{1235522051345} is an apocalyptic number.

It is an amenable number.

1235522051345 is a deficient number, since it is larger than the sum of its proper divisors (249964852735).

1235522051345 is a wasteful number, since it uses less digits than its factorization.

1235522051345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190964.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 1235522051345 in words is "one trillion, two hundred thirty-five billion, five hundred twenty-two million, fifty-one thousand, three hundred forty-five".