611402213523 has 8 divisors (see below), whose sum is σ = 815260091536. Its totient is φ = 407572905600.

The previous prime is 611402213503. The next prime is 611402213531. The reversal of 611402213523 is 325312204116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 611402213523 - 2⁹ = 611402213011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611402213503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7092538 + ... + 7178223.

It is an arithmetic number, because the mean of its divisors is an integer number (101907511442).

Almost surely, 2^611402213523 is an apocalyptic number.

611402213523 is a deficient number, since it is larger than the sum of its proper divisors (203857878013).

611402213523 is a wasteful number, since it uses less digits than its factorization.

611402213523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14285045.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 611402213523 its reverse (325312204116), we get a palindrome (936714417639).

The spelling of 611402213523 in words is "six hundred eleven billion, four hundred two million, two hundred thirteen thousand, five hundred twenty-three".