2135911151 has 4 divisors (see below), whose sum is σ = 2330084904. Its totient is φ = 1941737400.

The previous prime is 2135911109. The next prime is 2135911237. The reversal of 2135911151 is 1511195312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2135911151 - 2¹⁸ = 2135649007 is a prime.

It is a super-2 number, since 2×2135911151² = 9124232889932289602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135911051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97086860 + ... + 97086881.

It is an arithmetic number, because the mean of its divisors is an integer number (582521226).

Almost surely, 2^2135911151 is an apocalyptic number.

2135911151 is a deficient number, since it is larger than the sum of its proper divisors (194173753).

2135911151 is a wasteful number, since it uses less digits than its factorization.

2135911151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194173752.

The product of its digits is 1350, while the sum is 29.

The square root of 2135911151 is about 46215.9188051044. The cubic root of 2135911151 is about 1287.8374823479.

The spelling of 2135911151 in words is "two billion, one hundred thirty-five million, nine hundred eleven thousand, one hundred fifty-one".