1253496545064 has 24 divisors (see below), whose sum is σ = 3394886476410. Its totient is φ = 417832181664.

The previous prime is 1253496545057. The next prime is 1253496545089. The reversal of 1253496545064 is 4605456943521.

1253496545064 is a `hidden beast` number, since 1 + 2 + 5 + 3 + 4 + 96 + 545 + 0 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1133496656964 + 119999888100 = 1064658^2 + 346410^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1253496545064.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8704837047 + ... + 8704837190.

Almost surely, 2^{1253496545064} is an apocalyptic number.

It is an amenable number.

1253496545064 is an abundant number, since it is smaller than the sum of its proper divisors (2141389931346).

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

1253496545064 is a wasteful number, since it uses less digits than its factorization.

1253496545064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17409674249 (or 17409674242 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 54.

The spelling of 1253496545064 in words is "one trillion, two hundred fifty-three billion, four hundred ninety-six million, five hundred forty-five thousand, sixty-four".