611606145142 has 4 divisors (see below), whose sum is σ = 917409217716. Its totient is φ = 305803072570.

The previous prime is 611606145079. The next prime is 611606145149. The reversal of 611606145142 is 241541606116.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611606145149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152901536284 + ... + 152901536287.

It is an arithmetic number, because the mean of its divisors is an integer number (229352304429).

Almost surely, 2^611606145142 is an apocalyptic number.

611606145142 is a deficient number, since it is larger than the sum of its proper divisors (305803072574).

611606145142 is a wasteful number, since it uses less digits than its factorization.

611606145142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305803072573.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 611606145142 in words is "six hundred eleven billion, six hundred six million, one hundred forty-five thousand, one hundred forty-two".