1425101656551 has 8 divisors (see below), whose sum is σ = 1909980804720. Its totient is φ = 945145139712.

The previous prime is 1425101656493. The next prime is 1425101656571. The reversal of 1425101656551 is 1556561015241.

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

It is not a de Polignac number, because 1425101656551 - 2⁹ = 1425101656039 is a prime.

It is a super-2 number, since 2×1425101656551² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425101656571) 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, 1230657156 + ... + 1230658313.

It is an arithmetic number, because the mean of its divisors is an integer number (238747600590).

Almost surely, 2^{1425101656551} is an apocalyptic number.

1425101656551 is a deficient number, since it is larger than the sum of its proper divisors (484879148169).

1425101656551 is a wasteful number, since it uses less digits than its factorization.

1425101656551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461315665.

The product of its (nonzero) digits is 180000, while the sum is 42.

The spelling of 1425101656551 in words is "one trillion, four hundred twenty-five billion, one hundred one million, six hundred fifty-six thousand, five hundred fifty-one".