126252522156 has 12 divisors (see below), whose sum is σ = 294589218392. Its totient is φ = 42084174048.

The previous prime is 126252522103. The next prime is 126252522157. The reversal of 126252522156 is 651225252621.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (126252522157) 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, 5260521745 + ... + 5260521768.

Almost surely, 2^126252522156 is an apocalyptic number.

It is an amenable number.

126252522156 is an abundant number, since it is smaller than the sum of its proper divisors (168336696236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126252522156 is a wasteful number, since it uses less digits than its factorization.

126252522156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10521043520 (or 10521043518 counting only the distinct ones).

The product of its digits is 144000, while the sum is 39.

Adding to 126252522156 its reverse (651225252621), we get a palindrome (777477774777).

The spelling of 126252522156 in words is "one hundred twenty-six billion, two hundred fifty-two million, five hundred twenty-two thousand, one hundred fifty-six".