42551053502013 has 40 divisors (see below), whose sum is σ = 72654824058432. Its totient is φ = 24311425230144.

The previous prime is 42551053502011. The next prime is 42551053502029. The reversal of 42551053502013 is 31020535015524.

42551053502013 is a `hidden beast` number, since 4 + 2 + 551 + 0 + 53 + 50 + 2 + 0 + 1 + 3 = 666.

It is not a de Polignac number, because 42551053502013 - 2¹ = 42551053502011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42551053502011) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1355520 + ... + 9324137.

Almost surely, 2^{42551053502013} is an apocalyptic number.

It is an amenable number.

42551053502013 is a deficient number, since it is larger than the sum of its proper divisors (30103770556419).

42551053502013 is a wasteful number, since it uses less digits than its factorization.

42551053502013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10686703 (or 10686694 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 42551053502013 its reverse (31020535015524), we get a palindrome (73571588517537).

The spelling of 42551053502013 in words is "forty-two trillion, five hundred fifty-one billion, fifty-three million, five hundred two thousand, thirteen".