78145572360711 has 4 divisors (see below), whose sum is σ = 104194096480952. Its totient is φ = 52097048240472.

The previous prime is 78145572360701. The next prime is 78145572360721. The reversal of 78145572360711 is 11706327554187.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (78145572360701) and next prime (78145572360721).

It is a de Polignac number, because none of the positive numbers 2^k-78145572360711 is a prime.

It is a super-2 number, since 2×78145572360711² (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 (78145572360701) 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, 13024262060116 + ... + 13024262060121.

It is an arithmetic number, because the mean of its divisors is an integer number (26048524120238).

Almost surely, 2^{78145572360711} is an apocalyptic number.

78145572360711 is a deficient number, since it is larger than the sum of its proper divisors (26048524120241).

78145572360711 is a wasteful number, since it uses less digits than its factorization.

78145572360711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26048524120240.

The product of its (nonzero) digits is 9878400, while the sum is 57.

The spelling of 78145572360711 in words is "seventy-eight trillion, one hundred forty-five billion, five hundred seventy-two million, three hundred sixty thousand, seven hundred eleven".