5241354471661 has 32 divisors (see below), whose sum is σ = 6706580832000. Its totient is φ = 4060563877440.

The previous prime is 5241354471643. The next prime is 5241354471809. The reversal of 5241354471661 is 1661744531425.

It is not a de Polignac number, because 5241354471661 - 2⁹ = 5241354471149 is a prime.

It is a super-3 number, since 3×5241354471661³ (a number of 39 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5241354471461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3362226 + ... + 4667683.

It is an arithmetic number, because the mean of its divisors is an integer number (209580651000).

Almost surely, 2^{5241354471661} is an apocalyptic number.

It is an amenable number.

5241354471661 is a deficient number, since it is larger than the sum of its proper divisors (1465226360339).

5241354471661 is a wasteful number, since it uses less digits than its factorization.

5241354471661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8030114 (or 8030100 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 49.

The spelling of 5241354471661 in words is "five trillion, two hundred forty-one billion, three hundred fifty-four million, four hundred seventy-one thousand, six hundred sixty-one".