1478494948751 has 16 divisors (see below), whose sum is σ = 1568930136480. Its totient is φ = 1388447308800.

The previous prime is 1478494948727. The next prime is 1478494948811. The reversal of 1478494948751 is 1578494948741.

It is a cyclic number.

It is not a de Polignac number, because 1478494948751 - 2¹⁴ = 1478494932367 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 (1478494941751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19036385 + ... + 19113893.

It is an arithmetic number, because the mean of its divisors is an integer number (98058133530).

Almost surely, 2^{1478494948751} is an apocalyptic number.

1478494948751 is a deficient number, since it is larger than the sum of its proper divisors (90435187729).

1478494948751 is a wasteful number, since it uses less digits than its factorization.

1478494948751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79994.

The product of its digits is 325140480, while the sum is 71.

The spelling of 1478494948751 in words is "one trillion, four hundred seventy-eight billion, four hundred ninety-four million, nine hundred forty-eight thousand, seven hundred fifty-one".