2151100015522 has 8 divisors (see below), whose sum is σ = 3226694640876. Its totient is φ = 1075535135232.

The previous prime is 2151100015501. The next prime is 2151100015553. The reversal of 2151100015522 is 2255100011512.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2150912626801 + 187388721 = 1466599^2 + 13689^2 .

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

It is an unprimeable number.

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, 7254583 + ... + 7545274.

Almost surely, 2^{2151100015522} is an apocalyptic number.

2151100015522 is a deficient number, since it is larger than the sum of its proper divisors (1075594625354).

2151100015522 is a wasteful number, since it uses less digits than its factorization.

2151100015522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14872532.

The product of its (nonzero) digits is 1000, while the sum is 25.

The spelling of 2151100015522 in words is "two trillion, one hundred fifty-one billion, one hundred million, fifteen thousand, five hundred twenty-two".