5372122505661 has 48 divisors (see below), whose sum is σ = 8162573115840. Its totient is φ = 3400334380800.

The previous prime is 5372122505551. The next prime is 5372122505663. The reversal of 5372122505661 is 1665052212735.

It is a happy number.

5372122505661 is a `hidden beast` number, since 5 + 3 + 72 + 12 + 2 + 5 + 0 + 566 + 1 = 666.

It is not a de Polignac number, because 5372122505661 - 2¹¹ = 5372122503613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5372122505663) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14870785 + ... + 15227753.

It is an arithmetic number, because the mean of its divisors is an integer number (170053606580).

Almost surely, 2^{5372122505661} is an apocalyptic number.

It is an amenable number.

5372122505661 is a deficient number, since it is larger than the sum of its proper divisors (2790450610179).

5372122505661 is a wasteful number, since it uses less digits than its factorization.

5372122505661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358106 (or 358103 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 5372122505661 in words is "five trillion, three hundred seventy-two billion, one hundred twenty-two million, five hundred five thousand, six hundred sixty-one".