105513451252 has 24 divisors (see below), whose sum is σ = 202447022400. Its totient is φ = 47719647360.

The previous prime is 105513451163. The next prime is 105513451271. The reversal of 105513451252 is 252154315501.

It is a super-2 number, since 2×105513451252² (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 in 7 ways as a sum of consecutive naturals, for example, 6016453 + ... + 6033964.

It is an arithmetic number, because the mean of its divisors is an integer number (8435292600).

Almost surely, 2^105513451252 is an apocalyptic number.

It is an amenable number.

105513451252 is a deficient number, since it is larger than the sum of its proper divisors (96933571148).

105513451252 is a wasteful number, since it uses less digits than its factorization.

105513451252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12050631 (or 12050629 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 34.

Adding to 105513451252 its reverse (252154315501), we get a palindrome (357667766753).

The spelling of 105513451252 in words is "one hundred five billion, five hundred thirteen million, four hundred fifty-one thousand, two hundred fifty-two".