61051010605556 has 12 divisors (see below), whose sum is σ = 106839378112992. Its totient is φ = 30525474001848.

The previous prime is 61051010605513. The next prime is 61051010605577. The reversal of 61051010605556 is 65550601015016.

It is a super-2 number, since 2×61051010605556² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3122720 + ... + 11482743.

It is an arithmetic number, because the mean of its divisors is an integer number (8903281509416).

Almost surely, 2^{61051010605556} is an apocalyptic number.

It is an amenable number.

61051010605556 is a deficient number, since it is larger than the sum of its proper divisors (45788367507436).

61051010605556 is a wasteful number, since it uses less digits than its factorization.

61051010605556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15650470 (or 15650468 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 61051010605556 in words is "sixty-one trillion, fifty-one billion, ten million, six hundred five thousand, five hundred fifty-six".