863740120051 has 2 divisors, whose sum is σ = 863740120052. Its totient is φ = 863740120050.

The previous prime is 863740120007. The next prime is 863740120073. The reversal of 863740120051 is 150021047368.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 863740120051 - 2¹⁵ = 863740087283 is a prime.

It is not a weakly prime, because it can be changed into another prime (863740120351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431870060025 + 431870060026.

It is an arithmetic number, because the mean of its divisors is an integer number (431870060026).

Almost surely, 2^863740120051 is an apocalyptic number.

863740120051 is a deficient number, since it is larger than the sum of its proper divisors (1).

863740120051 is an equidigital number, since it uses as much as digits as its factorization.

863740120051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 863740120051 in words is "eight hundred sixty-three billion, seven hundred forty million, one hundred twenty thousand, fifty-one".