611146542002 has 4 divisors (see below), whose sum is σ = 916719813006. Its totient is φ = 305573271000.

The previous prime is 611146542001. The next prime is 611146542007. The reversal of 611146542002 is 200245641116.

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

It can be written as a sum of positive squares in only one way, i.e., 555205304641 + 55941237361 = 745121^2 + 236519^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 611146542002.

It is not an unprimeable number, because it can be changed into a prime (611146542001) 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 as a sum of consecutive naturals, namely, 152786635499 + ... + 152786635502.

Almost surely, 2^611146542002 is an apocalyptic number.

611146542002 is a deficient number, since it is larger than the sum of its proper divisors (305573271004).

611146542002 is a wasteful number, since it uses less digits than its factorization.

611146542002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305573271003.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 611146542002 in words is "six hundred eleven billion, one hundred forty-six million, five hundred forty-two thousand, two".