361091260831 has 4 divisors (see below), whose sum is σ = 412675726672. Its totient is φ = 309506794992.

The previous prime is 361091260811. The next prime is 361091260837. The reversal of 361091260831 is 138062190163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 138062190163 = 3137 ⋅44010899.

It is a cyclic number.

It is not a de Polignac number, because 361091260831 - 2⁹ = 361091260319 is a prime.

It is a super-2 number, since 2×361091260831² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361091260837) 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, 25792232910 + ... + 25792232923.

It is an arithmetic number, because the mean of its divisors is an integer number (103168931668).

Almost surely, 2^361091260831 is an apocalyptic number.

361091260831 is a deficient number, since it is larger than the sum of its proper divisors (51584465841).

361091260831 is an equidigital number, since it uses as much as digits as its factorization.

361091260831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51584465840.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 361091260831 in words is "three hundred sixty-one billion, ninety-one million, two hundred sixty thousand, eight hundred thirty-one".