1020547634611 has 6 divisors (see below), whose sum is σ = 1048875473940. Its totient is φ = 992965264776.

The previous prime is 1020547634563. The next prime is 1020547634633. The reversal of 1020547634611 is 1164367450201.

It is not a de Polignac number, because 1020547634611 - 2¹³ = 1020547626419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020547634641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 372733341 + ... + 372736078.

It is an arithmetic number, because the mean of its divisors is an integer number (174812578990).

Almost surely, 2^{1020547634611} is an apocalyptic number.

1020547634611 is a deficient number, since it is larger than the sum of its proper divisors (28327839329).

1020547634611 is an frugal number, since it uses more digits than its factorization.

1020547634611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745469493 (or 745469456 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 1020547634611 in words is "one trillion, twenty billion, five hundred forty-seven million, six hundred thirty-four thousand, six hundred eleven".