4405155020001 has 6 divisors (see below), whose sum is σ = 6363001695570. Its totient is φ = 2936770013328.

The previous prime is 4405155019997. The next prime is 4405155020029. The reversal of 4405155020001 is 1000205515044.

4405155020001 is a `hidden beast` number, since 4 + 40 + 51 + 550 + 20 + 0 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4239168037776 + 165986982225 = 2058924^2 + 407415^2 .

It is not a de Polignac number, because 4405155020001 - 2² = 4405155019997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4405155020401) 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, 244730834436 + ... + 244730834453.

It is an arithmetic number, because the mean of its divisors is an integer number (1060500282595).

Almost surely, 2^{4405155020001} is an apocalyptic number.

It is an amenable number.

4405155020001 is a deficient number, since it is larger than the sum of its proper divisors (1957846675569).

4405155020001 is a wasteful number, since it uses less digits than its factorization.

4405155020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489461668895 (or 489461668892 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 4405155020001 in words is "four trillion, four hundred five billion, one hundred fifty-five million, twenty thousand, one".