2153243511554 has 8 divisors (see below), whose sum is σ = 3229873181328. Its totient is φ = 1076619117780.

The previous prime is 2153243511547. The next prime is 2153243511557. The reversal of 2153243511554 is 4551153423512.

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

It is not an unprimeable number, because it can be changed into a prime (2153243511557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57332 + ... + 2075999.

It is an arithmetic number, because the mean of its divisors is an integer number (403734147666).

Almost surely, 2^{2153243511554} is an apocalyptic number.

2153243511554 is a deficient number, since it is larger than the sum of its proper divisors (1076629669774).

2153243511554 is a wasteful number, since it uses less digits than its factorization.

2153243511554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638000.

The product of its digits is 360000, while the sum is 41.

The spelling of 2153243511554 in words is "two trillion, one hundred fifty-three billion, two hundred forty-three million, five hundred eleven thousand, five hundred fifty-four".