557771725021 has 12 divisors (see below), whose sum is σ = 669766707840. Its totient is φ = 462667789080.

The previous prime is 557771725003. The next prime is 557771725033. The reversal of 557771725021 is 120527177755.

557771725021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 557771725021 - 2⁵ = 557771724989 is a prime.

It is a super-2 number, since 2×557771725021² (a number of 24 digits) contains 22 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557771725051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183596811 + ... + 183599848.

It is an arithmetic number, because the mean of its divisors is an integer number (55813892320).

Almost surely, 2^557771725021 is an apocalyptic number.

It is an amenable number.

557771725021 is a deficient number, since it is larger than the sum of its proper divisors (111994982819).

557771725021 is a wasteful number, since it uses less digits than its factorization.

557771725021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367196704 (or 367196697 counting only the distinct ones).

The product of its (nonzero) digits is 1200500, while the sum is 49.

The spelling of 557771725021 in words is "five hundred fifty-seven billion, seven hundred seventy-one million, seven hundred twenty-five thousand, twenty-one".