611402101061 has 4 divisors (see below), whose sum is σ = 611428814592. Its totient is φ = 611375387532.

The previous prime is 611402100961. The next prime is 611402101099. The reversal of 611402101061 is 160101204116.

It is a happy number.

611402101061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 611402101061 - 2³⁸ = 336524194117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611402101861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13322405 + ... + 13368218.

It is an arithmetic number, because the mean of its divisors is an integer number (152857203648).

Almost surely, 2^611402101061 is an apocalyptic number.

It is an amenable number.

611402101061 is a deficient number, since it is larger than the sum of its proper divisors (26713531).

611402101061 is a wasteful number, since it uses less digits than its factorization.

611402101061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26713530.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 611402101061 its reverse (160101204116), we get a palindrome (771503305177).

The spelling of 611402101061 in words is "six hundred eleven billion, four hundred two million, one hundred one thousand, sixty-one".