1425631016777 has 8 divisors (see below), whose sum is σ = 1597267183872. Its totient is φ = 1261000407600.

The previous prime is 1425631016743. The next prime is 1425631016839. The reversal of 1425631016777 is 7776101365241.

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 1425631016777 - 2⁸ = 1425631016521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1425631016477) 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, 1751389049 + ... + 1751389862.

It is an arithmetic number, because the mean of its divisors is an integer number (199658397984).

Almost surely, 2^{1425631016777} is an apocalyptic number.

It is an amenable number.

1425631016777 is a deficient number, since it is larger than the sum of its proper divisors (171636167095).

1425631016777 is a wasteful number, since it uses less digits than its factorization.

1425631016777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502778959.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The spelling of 1425631016777 in words is "one trillion, four hundred twenty-five billion, six hundred thirty-one million, sixteen thousand, seven hundred seventy-seven".