1355251134525 has 48 divisors (see below), whose sum is σ = 2251006253760. Its totient is φ = 719471692800.

The previous prime is 1355251134511. The next prime is 1355251134553. The reversal of 1355251134525 is 5254311525531.

It is not a de Polignac number, because 1355251134525 - 2¹⁰ = 1355251133501 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106530165 + ... + 106542885.

It is an arithmetic number, because the mean of its divisors is an integer number (46895963620).

Almost surely, 2^{1355251134525} is an apocalyptic number.

1355251134525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1355251134525 is a deficient number, since it is larger than the sum of its proper divisors (895755119235).

1355251134525 is a wasteful number, since it uses less digits than its factorization.

1355251134525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19166 (or 19161 counting only the distinct ones).

The product of its digits is 450000, while the sum is 42.

The spelling of 1355251134525 in words is "one trillion, three hundred fifty-five billion, two hundred fifty-one million, one hundred thirty-four thousand, five hundred twenty-five".