105240045052 has 6 divisors (see below), whose sum is σ = 184170078848. Its totient is φ = 52620022524.

The previous prime is 105240045049. The next prime is 105240045073. The reversal of 105240045052 is 250540042501.

It is a super-2 number, since 2×105240045052² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105240045052.

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, 13155005628 + ... + 13155005635.

Almost surely, 2^105240045052 is an apocalyptic number.

It is an amenable number.

105240045052 is a deficient number, since it is larger than the sum of its proper divisors (78930033796).

105240045052 is a wasteful number, since it uses less digits than its factorization.

105240045052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26310011267 (or 26310011265 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 105240045052 its reverse (250540042501), we get a palindrome (355780087553).

The spelling of 105240045052 in words is "one hundred five billion, two hundred forty million, forty-five thousand, fifty-two".