611403640202 has 16 divisors (see below), whose sum is σ = 965682095040. Its totient is φ = 289519872768.

The previous prime is 611403640171. The next prime is 611403640219. The reversal of 611403640202 is 202046304116.

It is a super-2 number, since 2×611403640202² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2445278 + ... + 2683689.

It is an arithmetic number, because the mean of its divisors is an integer number (60355130940).

Almost surely, 2^611403640202 is an apocalyptic number.

611403640202 is a deficient number, since it is larger than the sum of its proper divisors (354278454838).

611403640202 is a wasteful number, since it uses less digits than its factorization.

611403640202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5132125.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 611403640202 its reverse (202046304116), we get a palindrome (813449944318).

The spelling of 611403640202 in words is "six hundred eleven billion, four hundred three million, six hundred forty thousand, two hundred two".