2001403542153 has 64 divisors (see below), whose sum is σ = 2863064236032. Its totient is φ = 1240856781120.

The previous prime is 2001403542101. The next prime is 2001403542217. The reversal of 2001403542153 is 3512453041002.

It is not a de Polignac number, because 2001403542153 - 2¹⁷ = 2001403411081 is a prime.

It is a super-2 number, since 2×2001403542153² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2001403542153.

It is not an unprimeable number, because it can be changed into a prime (2001403547153) 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, 146177038 + ... + 146190728.

It is an arithmetic number, because the mean of its divisors is an integer number (44735378688).

Almost surely, 2^{2001403542153} is an apocalyptic number.

2001403542153 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2001403542153 is a deficient number, since it is larger than the sum of its proper divisors (861660693879).

2001403542153 is a wasteful number, since it uses less digits than its factorization.

2001403542153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14194.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 2001403542153 its reverse (3512453041002), we get a palindrome (5513856583155).

The spelling of 2001403542153 in words is "two trillion, one billion, four hundred three million, five hundred forty-two thousand, one hundred fifty-three".