2251022615126 has 16 divisors (see below), whose sum is σ = 3524616789120. Its totient is φ = 1076966235840.

The previous prime is 2251022615113. The next prime is 2251022615129. The reversal of 2251022615126 is 6215162201522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251022615129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203965361 + ... + 203976396.

It is an arithmetic number, because the mean of its divisors is an integer number (220288549320).

Almost surely, 2^{2251022615126} is an apocalyptic number.

2251022615126 is a deficient number, since it is larger than the sum of its proper divisors (1273594173994).

2251022615126 is a wasteful number, since it uses less digits than its factorization.

2251022615126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407941879.

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 2251022615126 its reverse (6215162201522), we get a palindrome (8466184816648).

The spelling of 2251022615126 in words is "two trillion, two hundred fifty-one billion, twenty-two million, six hundred fifteen thousand, one hundred twenty-six".