2125551013526 has 8 divisors (see below), whose sum is σ = 3217577222640. Its totient is φ = 1053025272648.

The previous prime is 2125551013519. The next prime is 2125551013529. The reversal of 2125551013526 is 6253101555212.

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

It is a super-2 number, since 2×2125551013526² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2125551013526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125551013529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4875116786 + ... + 4875117221.

It is an arithmetic number, because the mean of its divisors is an integer number (402197152830).

Almost surely, 2^{2125551013526} is an apocalyptic number.

2125551013526 is a deficient number, since it is larger than the sum of its proper divisors (1092026209114).

2125551013526 is a wasteful number, since it uses less digits than its factorization.

2125551013526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9750234118.

The product of its (nonzero) digits is 90000, while the sum is 38.

Adding to 2125551013526 its reverse (6253101555212), we get a palindrome (8378652568738).

The spelling of 2125551013526 in words is "two trillion, one hundred twenty-five billion, five hundred fifty-one million, thirteen thousand, five hundred twenty-six".