1425747968505 has 128 divisors (see below), whose sum is σ = 2938057436160. Its totient is φ = 642530672640.

The previous prime is 1425747968423. The next prime is 1425747968527. The reversal of 1425747968505 is 5058697475241.

It is a happy number.

1425747968505 is a `hidden beast` number, since 1 + 4 + 2 + 57 + 4 + 79 + 6 + 8 + 505 = 666.

It is not a de Polignac number, because 1425747968505 - 2¹⁰ = 1425747967481 is a prime.

It is a super-2 number, since 2×1425747968505² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 23527645 + ... + 23588165.

It is an arithmetic number, because the mean of its divisors is an integer number (22953573720).

Almost surely, 2^{1425747968505} is an apocalyptic number.

1425747968505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1425747968505 is an abundant number, since it is smaller than the sum of its proper divisors (1512309467655).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1425747968505 is a wasteful number, since it uses less digits than its factorization.

1425747968505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60896 (or 60890 counting only the distinct ones).

The product of its (nonzero) digits is 84672000, while the sum is 63.

The spelling of 1425747968505 in words is "one trillion, four hundred twenty-five billion, seven hundred forty-seven million, nine hundred sixty-eight thousand, five hundred five".