1002153531205 has 8 divisors (see below), whose sum is σ = 1265878144800. Its totient is φ = 759526886736.

The previous prime is 1002153531149. The next prime is 1002153531209. The reversal of 1002153531205 is 5021353512001.

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 1002153531205 - 2²⁹ = 1001616660293 is a prime.

It is a super-3 number, since 3×1002153531205³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002153531209) 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, 5274492175 + ... + 5274492364.

It is an arithmetic number, because the mean of its divisors is an integer number (158234768100).

Almost surely, 2^{1002153531205} is an apocalyptic number.

It is an amenable number.

1002153531205 is a deficient number, since it is larger than the sum of its proper divisors (263724613595).

1002153531205 is a wasteful number, since it uses less digits than its factorization.

1002153531205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10548984563.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 1002153531205 in words is "one trillion, two billion, one hundred fifty-three million, five hundred thirty-one thousand, two hundred five".