83570121411 has 16 divisors (see below), whose sum is σ = 127350534144. Its totient is φ = 47752259904.

The previous prime is 83570121391. The next prime is 83570121421. The reversal of 83570121411 is 11412107538.

It is not a de Polignac number, because 83570121411 - 2¹⁵ = 83570088643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83570121421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492190 + ... + 639836.

It is an arithmetic number, because the mean of its divisors is an integer number (7959408384).

Almost surely, 2^83570121411 is an apocalyptic number.

83570121411 is a deficient number, since it is larger than the sum of its proper divisors (43780412733).

83570121411 is a wasteful number, since it uses less digits than its factorization.

83570121411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174610.

The product of its (nonzero) digits is 6720, while the sum is 33.

Adding to 83570121411 its reverse (11412107538), we get a palindrome (94982228949).

The spelling of 83570121411 in words is "eighty-three billion, five hundred seventy million, one hundred twenty-one thousand, four hundred eleven".