1351505252548 has 12 divisors (see below), whose sum is σ = 2580146391312. Its totient is φ = 614320569320.

The previous prime is 1351505252527. The next prime is 1351505252549. The reversal of 1351505252548 is 8452525051531.

It is a junction number, because it is equal to n+sod(n) for n = 1351505252498 and 1351505252507.

It is not an unprimeable number, because it can be changed into a prime (1351505252549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15358014190 + ... + 15358014277.

It is an arithmetic number, because the mean of its divisors is an integer number (215012199276).

Almost surely, 2^{1351505252548} is an apocalyptic number.

It is an amenable number.

1351505252548 is a deficient number, since it is larger than the sum of its proper divisors (1228641138764).

1351505252548 is a wasteful number, since it uses less digits than its factorization.

1351505252548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30716028482 (or 30716028480 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 46.

The spelling of 1351505252548 in words is "one trillion, three hundred fifty-one billion, five hundred five million, two hundred fifty-two thousand, five hundred forty-eight".