2151422511 has 8 divisors (see below), whose sum is σ = 3278358144. Its totient is φ = 1229384280.

The previous prime is 2151422501. The next prime is 2151422519. The reversal of 2151422511 is 1152241512.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2151422511 - 2⁶ = 2151422447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151422519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51224325 + ... + 51224366.

It is an arithmetic number, because the mean of its divisors is an integer number (409794768).

Almost surely, 2^2151422511 is an apocalyptic number.

2151422511 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2151422511 is a deficient number, since it is larger than the sum of its proper divisors (1126935633).

2151422511 is a wasteful number, since it uses less digits than its factorization.

2151422511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102448701.

The product of its digits is 800, while the sum is 24.

The square root of 2151422511 is about 46383.4292716699. The cubic root of 2151422511 is about 1290.9474663141.

The spelling of 2151422511 in words is "two billion, one hundred fifty-one million, four hundred twenty-two thousand, five hundred eleven".