1020624451611 has 32 divisors (see below), whose sum is σ = 1447801259520. Its totient is φ = 638213520384.

The previous prime is 1020624451573. The next prime is 1020624451673. The reversal of 1020624451611 is 1161544260201.

It is not a de Polignac number, because 1020624451611 - 2³⁵ = 986264713243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020624452611) 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, 30036 + ... + 1429038.

It is an arithmetic number, because the mean of its divisors is an integer number (45243789360).

Almost surely, 2^{1020624451611} is an apocalyptic number.

1020624451611 is a deficient number, since it is larger than the sum of its proper divisors (427176807909).

1020624451611 is a wasteful number, since it uses less digits than its factorization.

1020624451611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399235.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 1020624451611 in words is "one trillion, twenty billion, six hundred twenty-four million, four hundred fifty-one thousand, six hundred eleven".