1142523354521 has 32 divisors (see below), whose sum is σ = 1227598364160. Its totient is φ = 1061821312000.

The previous prime is 1142523354509. The next prime is 1142523354523. The reversal of 1142523354521 is 1254533252411.

It is a cyclic number.

It is not a de Polignac number, because 1142523354521 - 2³⁴ = 1125343485337 is a prime.

It is a super-2 number, since 2×1142523354521² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142523354523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11433245 + ... + 11532741.

It is an arithmetic number, because the mean of its divisors is an integer number (38362448880).

Almost surely, 2^{1142523354521} is an apocalyptic number.

It is an amenable number.

1142523354521 is a deficient number, since it is larger than the sum of its proper divisors (85075009639).

1142523354521 is a wasteful number, since it uses less digits than its factorization.

1142523354521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99745.

The product of its digits is 144000, while the sum is 38.

The spelling of 1142523354521 in words is "one trillion, one hundred forty-two billion, five hundred twenty-three million, three hundred fifty-four thousand, five hundred twenty-one".