1235523522052 has 36 divisors (see below), whose sum is σ = 2214575230140. Its totient is φ = 603134418432.

The previous prime is 1235523522031. The next prime is 1235523522071. The reversal of 1235523522052 is 2502253255321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 487170496576 + 748353025476 = 697976^2 + 865074^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17663724 + ... + 17733532.

It is an arithmetic number, because the mean of its divisors is an integer number (61515978615).

Almost surely, 2^{1235523522052} is an apocalyptic number.

It is an amenable number.

1235523522052 is a deficient number, since it is larger than the sum of its proper divisors (979051708088).

1235523522052 is a wasteful number, since it uses less digits than its factorization.

1235523522052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72292 (or 72247 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

Adding to 1235523522052 its reverse (2502253255321), we get a palindrome (3737776777373).

The spelling of 1235523522052 in words is "one trillion, two hundred thirty-five billion, five hundred twenty-three million, five hundred twenty-two thousand, fifty-two".