2215020535155 has 12 divisors (see below), whose sum is σ = 3839368927680. Its totient is φ = 1181344285392.

The previous prime is 2215020535127. The next prime is 2215020535159. The reversal of 2215020535155 is 5515350205122.

2215020535155 is a `hidden beast` number, since 2 + 2 + 1 + 50 + 20 + 535 + 1 + 55 = 666.

It is not a de Polignac number, because 2215020535155 - 2⁷ = 2215020535027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2215020535159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24611339235 + ... + 24611339324.

It is an arithmetic number, because the mean of its divisors is an integer number (319947410640).

Almost surely, 2^{2215020535155} is an apocalyptic number.

2215020535155 is a deficient number, since it is larger than the sum of its proper divisors (1624348392525).

2215020535155 is a wasteful number, since it uses less digits than its factorization.

2215020535155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49222678570 (or 49222678567 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 2215020535155 in words is "two trillion, two hundred fifteen billion, twenty million, five hundred thirty-five thousand, one hundred fifty-five".