261675142423131 has 8 divisors (see below), whose sum is σ = 350141827585104. Its totient is φ = 173829276104960.

The previous prime is 261675142423109. The next prime is 261675142423153. The reversal of 261675142423131 is 131324241576162.

It is an interprime number because it is at equal distance from previous prime (261675142423109) and next prime (261675142423153).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 261675142423131 - 2¹¹ = 261675142421083 is a prime.

It is a super-2 number, since 2×261675142423131² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (261675142423031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155204709966 + ... + 155204711651.

It is an arithmetic number, because the mean of its divisors is an integer number (43767728448138).

Almost surely, 2^{261675142423131} is an apocalyptic number.

261675142423131 is a deficient number, since it is larger than the sum of its proper divisors (88466685161973).

261675142423131 is a wasteful number, since it uses less digits than its factorization.

261675142423131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310409421901.

The product of its digits is 1451520, while the sum is 48.

Adding to 261675142423131 its reverse (131324241576162), we get a palindrome (392999383999293).

The spelling of 261675142423131 in words is "two hundred sixty-one trillion, six hundred seventy-five billion, one hundred forty-two million, four hundred twenty-three thousand, one hundred thirty-one".