126551984064 has 56 divisors (see below), whose sum is σ = 365275051008. Its totient is φ = 38349085440.

The previous prime is 126551984063. The next prime is 126551984113. The reversal of 126551984064 is 460489155621.

It is a junction number, because it is equal to n+sod(n) for n = 126551983998 and 126551984016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126551984063) 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, 29958112 + ... + 29962335.

It is an arithmetic number, because the mean of its divisors is an integer number (6522768768).

Almost surely, 2^126551984064 is an apocalyptic number.

It is an amenable number.

126551984064 is an abundant number, since it is smaller than the sum of its proper divisors (238723066944).

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

126551984064 is a wasteful number, since it uses less digits than its factorization.

126551984064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59920473 (or 59920463 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 126551984064 in words is "one hundred twenty-six billion, five hundred fifty-one million, nine hundred eighty-four thousand, sixty-four".