215155213033 has 32 divisors (see below), whose sum is σ = 232227072000. Its totient is φ = 198877109760.

The previous prime is 215155213027. The next prime is 215155213037. The reversal of 215155213033 is 330312551512.

It is not a de Polignac number, because 215155213033 - 2¹³ = 215155204841 is a prime.

It is a super-2 number, since 2×215155213033² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 215155212986 and 215155213004.

It is not an unprimeable number, because it can be changed into a prime (215155213037) 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, 82213141 + ... + 82215757.

It is an arithmetic number, because the mean of its divisors is an integer number (7257096000).

Almost surely, 2^215155213033 is an apocalyptic number.

It is an amenable number.

215155213033 is a deficient number, since it is larger than the sum of its proper divisors (17071858967).

215155213033 is a wasteful number, since it uses less digits than its factorization.

215155213033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625.

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 215155213033 its reverse (330312551512), we get a palindrome (545467764545).

The spelling of 215155213033 in words is "two hundred fifteen billion, one hundred fifty-five million, two hundred thirteen thousand, thirty-three".