2159551308155 has 16 divisors (see below), whose sum is σ = 2641076789760. Its totient is φ = 1694690725728.

The previous prime is 2159551308137. The next prime is 2159551308169. The reversal of 2159551308155 is 5518031559512.

It is a cyclic number.

It is not a de Polignac number, because 2159551308155 - 2¹⁶ = 2159551242619 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7768937 + ... + 8042106.

It is an arithmetic number, because the mean of its divisors is an integer number (165067299360).

Almost surely, 2^{2159551308155} is an apocalyptic number.

2159551308155 is a deficient number, since it is larger than the sum of its proper divisors (481525481605).

2159551308155 is a wasteful number, since it uses less digits than its factorization.

2159551308155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15811570.

The product of its (nonzero) digits is 1350000, while the sum is 50.

The spelling of 2159551308155 in words is "two trillion, one hundred fifty-nine billion, five hundred fifty-one million, three hundred eight thousand, one hundred fifty-five".