1161078722502 has 16 divisors (see below), whose sum is σ = 2322171018480. Its totient is φ = 387023978592.

The previous prime is 1161078722491. The next prime is 1161078722611. The reversal of 1161078722502 is 2052278701611.

It is a super-2 number, since 2×1161078722502² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800148 + ... + 1721160.

It is an arithmetic number, because the mean of its divisors is an integer number (145135688655).

Almost surely, 2^{1161078722502} is an apocalyptic number.

1161078722502 is an abundant number, since it is smaller than the sum of its proper divisors (1161092295978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1161078722502 is a wasteful number, since it uses less digits than its factorization.

1161078722502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131127.

The product of its (nonzero) digits is 94080, while the sum is 42.

The spelling of 1161078722502 in words is "one trillion, one hundred sixty-one billion, seventy-eight million, seven hundred twenty-two thousand, five hundred two".