1535505441131 has 4 divisors (see below), whose sum is σ = 1616321517000. Its totient is φ = 1454689365264.

The previous prime is 1535505441101. The next prime is 1535505441137. The reversal of 1535505441131 is 1311445055351.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1535505441131 - 2¹⁰ = 1535505440107 is a prime.

It is a super-2 number, since 2×1535505441131² (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 (1535505441137) 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, 40408037906 + ... + 40408037943.

It is an arithmetic number, because the mean of its divisors is an integer number (404080379250).

Almost surely, 2^{1535505441131} is an apocalyptic number.

1535505441131 is a deficient number, since it is larger than the sum of its proper divisors (80816075869).

1535505441131 is an equidigital number, since it uses as much as digits as its factorization.

1535505441131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80816075868.

The product of its (nonzero) digits is 90000, while the sum is 38.

The spelling of 1535505441131 in words is "one trillion, five hundred thirty-five billion, five hundred five million, four hundred forty-one thousand, one hundred thirty-one".