10487836181 has 4 divisors (see below), whose sum is σ = 10731739392. Its totient is φ = 10243932972.

The previous prime is 10487836169. The next prime is 10487836187. The reversal of 10487836181 is 18163878401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18163878401 = 157 ⋅115693493.

It is a cyclic number.

It is not a de Polignac number, because 10487836181 - 2¹⁸ = 10487574037 is a prime.

It is a super-2 number, since 2×10487836181² (a number of 21 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 (10487836187) 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, 121951541 + ... + 121951626.

It is an arithmetic number, because the mean of its divisors is an integer number (2682934848).

Almost surely, 2^10487836181 is an apocalyptic number.

It is an amenable number.

10487836181 is a deficient number, since it is larger than the sum of its proper divisors (243903211).

10487836181 is an equidigital number, since it uses as much as digits as its factorization.

10487836181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243903210.

The product of its (nonzero) digits is 258048, while the sum is 47.

The spelling of 10487836181 in words is "ten billion, four hundred eighty-seven million, eight hundred thirty-six thousand, one hundred eighty-one".