1001005051501 has 64 divisors (see below), whose sum is σ = 1309903257600. Its totient is φ = 743734607616.

The previous prime is 1001005051481. The next prime is 1001005051511. The reversal of 1001005051501 is 1051505001001.

It is a happy number.

1001005051501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1001005051501 - 2⁷ = 1001005051373 is a prime.

It is a super-2 number, since 2×1001005051501² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001005051511) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13932396 + ... + 14004058.

It is an arithmetic number, because the mean of its divisors is an integer number (20467238400).

Almost surely, 2^{1001005051501} is an apocalyptic number.

It is an amenable number.

1001005051501 is a deficient number, since it is larger than the sum of its proper divisors (308898206099).

1001005051501 is a wasteful number, since it uses less digits than its factorization.

1001005051501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71858.

The product of its (nonzero) digits is 125, while the sum is 19.

The spelling of 1001005051501 in words is "one trillion, one billion, five million, fifty-one thousand, five hundred one".