13237801521052 has 12 divisors (see below), whose sum is σ = 23166201559816. Its totient is φ = 6618886789680.

The previous prime is 13237801521047. The next prime is 13237801521059. The reversal of 13237801521052 is 25012510873231.

It is a super-2 number, since 2×13237801521052² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13237801520996 and 13237801521014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13237801521059) 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, 1192443 + ... + 5281810.

Almost surely, 2^{13237801521052} is an apocalyptic number.

It is an amenable number.

13237801521052 is a deficient number, since it is larger than the sum of its proper divisors (9928400038764).

13237801521052 is a wasteful number, since it uses less digits than its factorization.

13237801521052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6985428 (or 6985426 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 13237801521052 in words is "thirteen trillion, two hundred thirty-seven billion, eight hundred one million, five hundred twenty-one thousand, fifty-two".