1011170405644 has 24 divisors (see below), whose sum is σ = 2031925376768. Its totient is φ = 431304909840.

The previous prime is 1011170405599. The next prime is 1011170405653. The reversal of 1011170405644 is 4465040711101.

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, 85570464 + ... + 85582279.

Almost surely, 2^{1011170405644} is an apocalyptic number.

1011170405644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1011170405644 is an abundant number, since it is smaller than the sum of its proper divisors (1020754971124).

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

1011170405644 is a wasteful number, since it uses less digits than its factorization.

1011170405644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171152965 (or 171152963 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 1011170405644 in words is "one trillion, eleven billion, one hundred seventy million, four hundred five thousand, six hundred forty-four".