611425580531 has 2 divisors, whose sum is σ = 611425580532. Its totient is φ = 611425580530.

The previous prime is 611425580473. The next prime is 611425580551. The reversal of 611425580531 is 135085524116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 611425580531 - 2²² = 611421386227 is a prime.

It is a super-2 number, since 2×611425580531² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (611425580551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305712790265 + 305712790266.

It is an arithmetic number, because the mean of its divisors is an integer number (305712790266).

Almost surely, 2^611425580531 is an apocalyptic number.

611425580531 is a deficient number, since it is larger than the sum of its proper divisors (1).

611425580531 is an equidigital number, since it uses as much as digits as its factorization.

611425580531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 41.

The spelling of 611425580531 in words is "six hundred eleven billion, four hundred twenty-five million, five hundred eighty thousand, five hundred thirty-one".