105241421524 has 6 divisors (see below), whose sum is σ = 184172487674. Its totient is φ = 52620710760.

The previous prime is 105241421503. The next prime is 105241421543. The reversal of 105241421524 is 425124142501.

It can be written as a sum of positive squares in only one way, i.e., 104704016400 + 537405124 = 323580^2 + 23182^2 .

It is a super-2 number, since 2×105241421524² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13155177687 + ... + 13155177694.

Almost surely, 2^105241421524 is an apocalyptic number.

It is an amenable number.

105241421524 is a deficient number, since it is larger than the sum of its proper divisors (78931066150).

105241421524 is a wasteful number, since it uses less digits than its factorization.

105241421524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26310355385 (or 26310355383 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The spelling of 105241421524 in words is "one hundred five billion, two hundred forty-one million, four hundred twenty-one thousand, five hundred twenty-four".