76155421451 has 2 divisors, whose sum is σ = 76155421452. Its totient is φ = 76155421450.

The previous prime is 76155421409. The next prime is 76155421453. The reversal of 76155421451 is 15412455167.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76155421451 is a prime.

Together with 76155421453, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 76155421399 and 76155421408.

It is not a weakly prime, because it can be changed into another prime (76155421453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38077710725 + 38077710726.

It is an arithmetic number, because the mean of its divisors is an integer number (38077710726).

Almost surely, 2^76155421451 is an apocalyptic number.

76155421451 is a deficient number, since it is larger than the sum of its proper divisors (1).

76155421451 is an equidigital number, since it uses as much as digits as its factorization.

76155421451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168000, while the sum is 41.

The spelling of 76155421451 in words is "seventy-six billion, one hundred fifty-five million, four hundred twenty-one thousand, four hundred fifty-one".