1425511157 has 8 divisors (see below), whose sum is σ = 1714900800. Its totient is φ = 1157557824.

The previous prime is 1425511151. The next prime is 1425511163. The reversal of 1425511157 is 7511155241.

It is an interprime number because it is at equal distance from previous prime (1425511151) and next prime (1425511163).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1425511157 - 2⁴ = 1425511141 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 (1425511151) 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 in 7 ways as a sum of consecutive naturals, for example, 5358932 + ... + 5359197.

It is an arithmetic number, because the mean of its divisors is an integer number (214362600).

Almost surely, 2^1425511157 is an apocalyptic number.

It is an amenable number.

1425511157 is a deficient number, since it is larger than the sum of its proper divisors (289389643).

1425511157 is a wasteful number, since it uses less digits than its factorization.

1425511157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10718155.

The product of its digits is 7000, while the sum is 32.

The square root of 1425511157 is about 37755.9420091725. The cubic root of 1425511157 is about 1125.4430931474.

Adding to 1425511157 its reverse (7511155241), we get a palindrome (8936666398).

The spelling of 1425511157 in words is "one billion, four hundred twenty-five million, five hundred eleven thousand, one hundred fifty-seven".