1261465068830 has 16 divisors (see below), whose sum is σ = 2272961232720. Its totient is φ = 504069558912.

The previous prime is 1261465068811. The next prime is 1261465068841. The reversal of 1261465068830 is 388605641621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64548320 + ... + 64567859.

It is an arithmetic number, because the mean of its divisors is an integer number (142060077045).

Almost surely, 2^{1261465068830} is an apocalyptic number.

1261465068830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1261465068830 is a deficient number, since it is larger than the sum of its proper divisors (1011496163890).

1261465068830 is a wasteful number, since it uses less digits than its factorization.

1261465068830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129117163.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 1261465068830 in words is "one trillion, two hundred sixty-one billion, four hundred sixty-five million, sixty-eight thousand, eight hundred thirty".