611201025666052 has 6 divisors (see below), whose sum is σ = 1069601794915598. Its totient is φ = 305600512833024.

The previous prime is 611201025666043. The next prime is 611201025666061. The reversal of 611201025666052 is 250666520102116.

It is an interprime number because it is at equal distance from previous prime (611201025666043) and next prime (611201025666061).

It can be written as a sum of positive squares in only one way, i.e., 334747421578816 + 276453604087236 = 18296104^2 + 16626894^2 .

It is an unprimeable number.

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, 76400128208253 + ... + 76400128208260.

Almost surely, 2^{611201025666052} is an apocalyptic number.

It is an amenable number.

611201025666052 is a deficient number, since it is larger than the sum of its proper divisors (458400769249546).

611201025666052 is a wasteful number, since it uses less digits than its factorization.

611201025666052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152800256416517 (or 152800256416515 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

Adding to 611201025666052 its reverse (250666520102116), we get a palindrome (861867545768168).

The spelling of 611201025666052 in words is "six hundred eleven trillion, two hundred one billion, twenty-five million, six hundred sixty-six thousand, fifty-two".