611201025666051 has 16 divisors (see below), whose sum is σ = 837143226296064. Its totient is φ = 396367910456544.

The previous prime is 611201025666043. The next prime is 611201025666061. The reversal of 611201025666051 is 150666520102116.

It is not a de Polignac number, because 611201025666051 - 2³ = 611201025666043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 611201025665994 and 611201025666012.

It is not an unprimeable number, because it can be changed into a prime (611201025666061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602330325 + ... + 603344198.

It is an arithmetic number, because the mean of its divisors is an integer number (52321451643504).

Almost surely, 2^{611201025666051} is an apocalyptic number.

611201025666051 is a deficient number, since it is larger than the sum of its proper divisors (225942200630013).

611201025666051 is a wasteful number, since it uses less digits than its factorization.

611201025666051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205679130.

The product of its (nonzero) digits is 129600, while the sum is 42.

Adding to 611201025666051 its reverse (150666520102116), we get a palindrome (761867545768167).

The spelling of 611201025666051 in words is "six hundred eleven trillion, two hundred one billion, twenty-five million, six hundred sixty-six thousand, fifty-one".