87260181811201 has 8 divisors (see below), whose sum is σ = 99815846264640. Its totient is φ = 74726998406448.

The previous prime is 87260181811163. The next prime is 87260181811211. The reversal of 87260181811201 is 10211818106278.

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 87260181811201 - 2²¹ = 87260179714049 is a prime.

It is a super-2 number, since 2×87260181811201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87260181811211) 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, 5620253851 + ... + 5620269376.

It is an arithmetic number, because the mean of its divisors is an integer number (12476980783080).

Almost surely, 2^{87260181811201} is an apocalyptic number.

It is an amenable number.

87260181811201 is a deficient number, since it is larger than the sum of its proper divisors (12555664453439).

87260181811201 is a wasteful number, since it uses less digits than its factorization.

87260181811201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11240524343.

The product of its (nonzero) digits is 86016, while the sum is 46.

Adding to 87260181811201 its reverse (10211818106278), we get a palindrome (97471999917479).

The spelling of 87260181811201 in words is "eighty-seven trillion, two hundred sixty billion, one hundred eighty-one million, eight hundred eleven thousand, two hundred one".