1523535342152 has 8 divisors (see below), whose sum is σ = 2856628766550. Its totient is φ = 761767671072.

The previous prime is 1523535342151. The next prime is 1523535342163. The reversal of 1523535342152 is 2512435353251.

It can be written as a sum of positive squares in only one way, i.e., 856154181796 + 667381160356 = 925286^2 + 816934^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1523535342152² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1523535342151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95220958877 + ... + 95220958892.

Almost surely, 2^{1523535342152} is an apocalyptic number.

It is an amenable number.

1523535342152 is a deficient number, since it is larger than the sum of its proper divisors (1333093424398).

1523535342152 is a wasteful number, since it uses less digits than its factorization.

1523535342152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190441917775 (or 190441917771 counting only the distinct ones).

The product of its digits is 540000, while the sum is 41.

The spelling of 1523535342152 in words is "one trillion, five hundred twenty-three billion, five hundred thirty-five million, three hundred forty-two thousand, one hundred fifty-two".