1425649511 has 8 divisors (see below), whose sum is σ = 1674889104. Its totient is φ = 1196349120.

The previous prime is 1425649507. The next prime is 1425649513. The reversal of 1425649511 is 1159465241.

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 1425649511 - 2² = 1425649507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425649513) 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, 4984646 + ... + 4984931.

It is an arithmetic number, because the mean of its divisors is an integer number (209361138).

Almost surely, 2^1425649511 is an apocalyptic number.

1425649511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1425649511 is a deficient number, since it is larger than the sum of its proper divisors (249239593).

1425649511 is a wasteful number, since it uses less digits than its factorization.

1425649511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9969601.

The product of its digits is 43200, while the sum is 38.

The square root of 1425649511 is about 37757.7741796309. The cubic root of 1425649511 is about 1125.4795021964.

The spelling of 1425649511 in words is "one billion, four hundred twenty-five million, six hundred forty-nine thousand, five hundred eleven".