78091202001211 has 16 divisors (see below), whose sum is σ = 89502486540480. Its totient is φ = 66744002574720.

The previous prime is 78091202001181. The next prime is 78091202001217. The reversal of 78091202001211 is 11210020219087.

It is a cyclic number.

It is not a de Polignac number, because 78091202001211 - 2³⁵ = 78056842262843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78091202001217) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5830900 + ... + 13790641.

It is an arithmetic number, because the mean of its divisors is an integer number (5593905408780).

Almost surely, 2^{78091202001211} is an apocalyptic number.

78091202001211 is a deficient number, since it is larger than the sum of its proper divisors (11411284539269).

78091202001211 is a wasteful number, since it uses less digits than its factorization.

78091202001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19623174.

The product of its (nonzero) digits is 4032, while the sum is 34.

The spelling of 78091202001211 in words is "seventy-eight trillion, ninety-one billion, two hundred two million, one thousand, two hundred eleven".