5205355517040 has 80 divisors (see below), whose sum is σ = 18441830980608. Its totient is φ = 1189795546368.

The previous prime is 5205355516957. The next prime is 5205355517051. The reversal of 5205355517040 is 407155535025.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 5205355516983 and 5205355517001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1549211272 + ... + 1549214631.

Almost surely, 2^{5205355517040} is an apocalyptic number.

It is an amenable number.

5205355517040 is an abundant number, since it is smaller than the sum of its proper divisors (13236475463568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5205355517040 is a wasteful number, since it uses less digits than its factorization.

5205355517040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3098425926 (or 3098425920 counting only the distinct ones).

The product of its (nonzero) digits is 525000, while the sum is 42.

The spelling of 5205355517040 in words is "five trillion, two hundred five billion, three hundred fifty-five million, five hundred seventeen thousand, forty".