78056105776051 has 12 divisors (see below), whose sum is σ = 85040833752408. Its totient is φ = 71609754400704.

The previous prime is 78056105776049. The next prime is 78056105776081. The reversal of 78056105776051 is 15067750165087.

It is not a de Polignac number, because 78056105776051 - 2¹ = 78056105776049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78056105776081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1416752970 + ... + 1416808063.

It is an arithmetic number, because the mean of its divisors is an integer number (7086736146034).

Almost surely, 2^{78056105776051} is an apocalyptic number.

78056105776051 is a deficient number, since it is larger than the sum of its proper divisors (6984727976357).

78056105776051 is a wasteful number, since it uses less digits than its factorization.

78056105776051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833561222 (or 2833561209 counting only the distinct ones).

The product of its (nonzero) digits is 12348000, while the sum is 58.

The spelling of 78056105776051 in words is "seventy-eight trillion, fifty-six billion, one hundred five million, seven hundred seventy-six thousand, fifty-one".