126761861061 has 32 divisors (see below), whose sum is σ = 204917975040. Its totient is φ = 76806500400.

The previous prime is 126761861047. The next prime is 126761861077. The reversal of 126761861061 is 160168167621.

126761861061 is a `hidden beast` number, since 1 + 26 + 7 + 6 + 1 + 8 + 610 + 6 + 1 = 666.

It is not a de Polignac number, because 126761861061 - 2¹⁵ = 126761828293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126761860998 and 126761861016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126761861011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1209876 + ... + 1310466.

It is an arithmetic number, because the mean of its divisors is an integer number (6403686720).

Almost surely, 2^126761861061 is an apocalyptic number.

126761861061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

126761861061 is a deficient number, since it is larger than the sum of its proper divisors (78156113979).

126761861061 is a wasteful number, since it uses less digits than its factorization.

126761861061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104854 (or 104848 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 126761861061 in words is "one hundred twenty-six billion, seven hundred sixty-one million, eight hundred sixty-one thousand, sixty-one".