745055005501001 has 8 divisors (see below), whose sum is σ = 802752496992264. Its totient is φ = 687412595151360.

The previous prime is 745055005500997. The next prime is 745055005501013. The reversal of 745055005501001 is 100105500550547.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14438214055225 + 730616791445776 = 3799765^2 + 27029924^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 745055005501001 - 2² = 745055005500997 is a prime.

It is a super-2 number, since 2×745055005501001² (a number of 31 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (745055005501501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13770257306 + ... + 13770311411.

It is an arithmetic number, because the mean of its divisors is an integer number (100344062124033).

Almost surely, 2^{745055005501001} is an apocalyptic number.

It is an amenable number.

745055005501001 is a deficient number, since it is larger than the sum of its proper divisors (57697491491263).

745055005501001 is a wasteful number, since it uses less digits than its factorization.

745055005501001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27540570811.

The product of its (nonzero) digits is 87500, while the sum is 38.

The spelling of 745055005501001 in words is "seven hundred forty-five trillion, fifty-five billion, five million, five hundred one thousand, one".