1478252528741 has 12 divisors (see below), whose sum is σ = 1531093798884. Its totient is φ = 1427176396800.

The previous prime is 1478252528737. The next prime is 1478252528743.

1478252528741 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 6 ways, for example, as 42125920516 + 1436126608225 = 205246^2 + 1198385^2 .

It is not a de Polignac number, because 1478252528741 - 2² = 1478252528737 is a prime.

It is a super-2 number, since 2×1478252528741² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478252528743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13452581 + ... + 13562021.

It is an arithmetic number, because the mean of its divisors is an integer number (127591149907).

Almost surely, 2^{1478252528741} is an apocalyptic number.

It is an amenable number.

1478252528741 is a deficient number, since it is larger than the sum of its proper divisors (52841270143).

1478252528741 is a wasteful number, since it uses less digits than its factorization.

1478252528741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125560 (or 125531 counting only the distinct ones).

The product of its digits is 10035200, while the sum is 56.

The spelling of 1478252528741 in words is "one trillion, four hundred seventy-eight billion, two hundred fifty-two million, five hundred twenty-eight thousand, seven hundred forty-one".