7135521856047 has 32 divisors (see below), whose sum is σ = 11385922788800. Its totient is φ = 4390467670656.

The previous prime is 7135521856027. The next prime is 7135521856061. The reversal of 7135521856047 is 7406581255317.

7135521856047 is a `hidden beast` number, since 7 + 1 + 3 + 5 + 5 + 21 + 8 + 5 + 604 + 7 = 666.

It is not a de Polignac number, because 7135521856047 - 2³⁴ = 7118341986863 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7135521855984 and 7135521856002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7135521856007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1043313 + ... + 3919125.

It is an arithmetic number, because the mean of its divisors is an integer number (355810087150).

Almost surely, 2^{7135521856047} is an apocalyptic number.

7135521856047 is a deficient number, since it is larger than the sum of its proper divisors (4250400932753).

7135521856047 is a wasteful number, since it uses less digits than its factorization.

7135521856047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882904 (or 2882898 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 54.

The spelling of 7135521856047 in words is "seven trillion, one hundred thirty-five billion, five hundred twenty-one million, eight hundred fifty-six thousand, forty-seven".