78305058511031 has 8 divisors (see below), whose sum is σ = 85866310041744. Its totient is φ = 70817575288320.

The previous prime is 78305058510983. The next prime is 78305058511049. The reversal of 78305058511031 is 13011585050387.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78305058511031 - 2⁶ = 78305058510967 is a prime.

It is a super-2 number, since 2×78305058511031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78305058511231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18442074776 + ... + 18442079021.

It is an arithmetic number, because the mean of its divisors is an integer number (10733288755218).

Almost surely, 2^{78305058511031} is an apocalyptic number.

78305058511031 is a deficient number, since it is larger than the sum of its proper divisors (7561251530713).

78305058511031 is a wasteful number, since it uses less digits than its factorization.

78305058511031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36884154001.

The product of its (nonzero) digits is 504000, while the sum is 47.

The spelling of 78305058511031 in words is "seventy-eight trillion, three hundred five billion, fifty-eight million, five hundred eleven thousand, thirty-one".