2153545020501 has 32 divisors (see below), whose sum is σ = 3568536126720. Its totient is φ = 1126906131456.

The previous prime is 2153545020499. The next prime is 2153545020521. The reversal of 2153545020501 is 1050205453512.

It is not a de Polignac number, because 2153545020501 - 2¹ = 2153545020499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153545020521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81504886 + ... + 81531303.

It is an arithmetic number, because the mean of its divisors is an integer number (111516753960).

Almost surely, 2^{2153545020501} is an apocalyptic number.

2153545020501 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2153545020501 is a deficient number, since it is larger than the sum of its proper divisors (1414991106219).

2153545020501 is a wasteful number, since it uses less digits than its factorization.

2153545020501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163036253.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 2153545020501 in words is "two trillion, one hundred fifty-three billion, five hundred forty-five million, twenty thousand, five hundred one".