1005647556137 has 12 divisors (see below), whose sum is σ = 1180767954960. Its totient is φ = 853927693416.

The previous prime is 1005647556113. The next prime is 1005647556143. The reversal of 1005647556137 is 7316557465001.

1005647556137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1005647556137 - 2⁶ = 1005647556073 is a prime.

It is a super-2 number, since 2×1005647556137² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005647555137) 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, 95898587 + ... + 95909072.

It is an arithmetic number, because the mean of its divisors is an integer number (98397329580).

Almost surely, 2^{1005647556137} is an apocalyptic number.

It is an amenable number.

1005647556137 is a deficient number, since it is larger than the sum of its proper divisors (175120398823).

1005647556137 is a wasteful number, since it uses less digits than its factorization.

1005647556137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191807780 (or 191807773 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 50.

The spelling of 1005647556137 in words is "one trillion, five billion, six hundred forty-seven million, five hundred fifty-six thousand, one hundred thirty-seven".