611436020516 has 6 divisors (see below), whose sum is σ = 1070013035910. Its totient is φ = 305718010256.

The previous prime is 611436020471. The next prime is 611436020521. The reversal of 611436020516 is 615020634116.

It can be written as a sum of positive squares in only one way, i.e., 361681960000 + 249754060516 = 601400^2 + 499754^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76429502561 + ... + 76429502568.

It is an arithmetic number, because the mean of its divisors is an integer number (178335505985).

Almost surely, 2^611436020516 is an apocalyptic number.

It is an amenable number.

611436020516 is a deficient number, since it is larger than the sum of its proper divisors (458577015394).

611436020516 is a wasteful number, since it uses less digits than its factorization.

611436020516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152859005133 (or 152859005131 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 611436020516 in words is "six hundred eleven billion, four hundred thirty-six million, twenty thousand, five hundred sixteen".