215071178133 has 48 divisors (see below), whose sum is σ = 339176885760. Its totient is φ = 120844936800.

The previous prime is 215071178123. The next prime is 215071178143. The reversal of 215071178133 is 331871170512.

It is an interprime number because it is at equal distance from previous prime (215071178123) and next prime (215071178143).

It is not a de Polignac number, because 215071178133 - 2¹⁰ = 215071177109 is a prime.

It is a super-2 number, since 2×215071178133² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 215071178091 and 215071178100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215071178123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3928438 + ... + 3982808.

It is an arithmetic number, because the mean of its divisors is an integer number (7066185120).

Almost surely, 2^215071178133 is an apocalyptic number.

It is an amenable number.

215071178133 is a deficient number, since it is larger than the sum of its proper divisors (124105707627).

215071178133 is a wasteful number, since it uses less digits than its factorization.

215071178133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54838 (or 54831 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 39.

The spelling of 215071178133 in words is "two hundred fifteen billion, seventy-one million, one hundred seventy-eight thousand, one hundred thirty-three".