1352156512531 has 24 divisors (see below), whose sum is σ = 1540325496528. Its totient is φ = 1186844859200.

The previous prime is 1352156512429. The next prime is 1352156512573.

1352156512531 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1352156512531 - 2³¹ = 1350009028883 is a prime.

It is a super-2 number, since 2×1352156512531² (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 (1352156512591) 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 23 ways as a sum of consecutive naturals, for example, 515391 + ... + 1723351.

It is an arithmetic number, because the mean of its divisors is an integer number (64180229022).

Almost surely, 2^{1352156512531} is an apocalyptic number.

1352156512531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1352156512531 is a deficient number, since it is larger than the sum of its proper divisors (188168983997).

1352156512531 is an equidigital number, since it uses as much as digits as its factorization.

1352156512531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208052 (or 1208001 counting only the distinct ones).

The product of its digits is 135000, while the sum is 40.

The spelling of 1352156512531 in words is "one trillion, three hundred fifty-two billion, one hundred fifty-six million, five hundred twelve thousand, five hundred thirty-one".