2251562651522 has 4 divisors (see below), whose sum is σ = 3377343977286. Its totient is φ = 1125781325760.

The previous prime is 2251562651509. The next prime is 2251562651537.

2251562651522 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in only one way, i.e., 2244905886601 + 6656764921 = 1498301^2 + 81589^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562890662879 + ... + 562890662882.

Almost surely, 2^{2251562651522} is an apocalyptic number.

2251562651522 is a deficient number, since it is larger than the sum of its proper divisors (1125781325764).

2251562651522 is a wasteful number, since it uses less digits than its factorization.

2251562651522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125781325763.

The product of its digits is 720000, while the sum is 44.

The spelling of 2251562651522 in words is "two trillion, two hundred fifty-one billion, five hundred sixty-two million, six hundred fifty-one thousand, five hundred twenty-two".