1002155132001 has 8 divisors (see below), whose sum is σ = 1336262546880. Its totient is φ = 668075569232.

The previous prime is 1002155131937. The next prime is 1002155132039. The reversal of 1002155132001 is 1002315512001.

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

It is a cyclic number.

It is not a de Polignac number, because 1002155132001 - 2⁶ = 1002155131937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002155132701) 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, 6878925 + ... + 7023098.

It is an arithmetic number, because the mean of its divisors is an integer number (167032818360).

Almost surely, 2^{1002155132001} is an apocalyptic number.

It is an amenable number.

1002155132001 is a deficient number, since it is larger than the sum of its proper divisors (334107414879).

1002155132001 is a wasteful number, since it uses less digits than its factorization.

1002155132001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13926055.

The product of its (nonzero) digits is 300, while the sum is 21.

The spelling of 1002155132001 in words is "one trillion, two billion, one hundred fifty-five million, one hundred thirty-two thousand, one".