78901012010311 has 4 divisors (see below), whose sum is σ = 82331490793392. Its totient is φ = 75470533227232.

The previous prime is 78901012010297. The next prime is 78901012010333. The reversal of 78901012010311 is 11301021010987.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78901012010311 - 2¹¹ = 78901012008263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78901012010351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1715239391506 + ... + 1715239391551.

It is an arithmetic number, because the mean of its divisors is an integer number (20582872698348).

Almost surely, 2^{78901012010311} is an apocalyptic number.

78901012010311 is a deficient number, since it is larger than the sum of its proper divisors (3430478783081).

78901012010311 is a wasteful number, since it uses less digits than its factorization.

78901012010311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430478783080.

The product of its (nonzero) digits is 3024, while the sum is 34.

The spelling of 78901012010311 in words is "seventy-eight trillion, nine hundred one billion, twelve million, ten thousand, three hundred eleven".