1017811505048 has 32 divisors (see below), whose sum is σ = 2058054868800. Its totient is φ = 469105771008.

The previous prime is 1017811504979. The next prime is 1017811505063. The reversal of 1017811505048 is 8405051187101.

It is a junction number, because it is equal to n+sod(n) for n = 1017811504996 and 1017811505014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6730961 + ... + 6880512.

It is an arithmetic number, because the mean of its divisors is an integer number (64314214650).

Almost surely, 2^{1017811505048} is an apocalyptic number.

It is an amenable number.

1017811505048 is an abundant number, since it is smaller than the sum of its proper divisors (1040243363752).

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

1017811505048 is a wasteful number, since it uses less digits than its factorization.

1017811505048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13612211 (or 13612207 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 41.

The spelling of 1017811505048 in words is "one trillion, seventeen billion, eight hundred eleven million, five hundred five thousand, forty-eight".