1541105531231 has 64 divisors (see below), whose sum is σ = 1940141288448. Its totient is φ = 1194093508608.

The previous prime is 1541105531221. The next prime is 1541105531237. The reversal of 1541105531231 is 1321355011451.

It is not a de Polignac number, because 1541105531231 - 2⁶ = 1541105531167 is a prime.

It is a super-2 number, since 2×1541105531231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1541105531237) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 210156641 + ... + 210163973.

It is an arithmetic number, because the mean of its divisors is an integer number (30314707632).

Almost surely, 2^{1541105531231} is an apocalyptic number.

1541105531231 is a deficient number, since it is larger than the sum of its proper divisors (399035757217).

1541105531231 is a wasteful number, since it uses less digits than its factorization.

1541105531231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8080.

The product of its (nonzero) digits is 9000, while the sum is 32.

The spelling of 1541105531231 in words is "one trillion, five hundred forty-one billion, one hundred five million, five hundred thirty-one thousand, two hundred thirty-one".