126601115652 has 72 divisors (see below), whose sum is σ = 351997525152. Its totient is φ = 38363959920.

The previous prime is 126601115651. The next prime is 126601115653. The reversal of 126601115652 is 256511106621.

126601115652 is a `hidden beast` number, since 1 + 26 + 60 + 1 + 11 + 565 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (126601115651) and next prime (126601115653).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (126601115651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1273158 + ... + 1368989.

It is an arithmetic number, because the mean of its divisors is an integer number (4888854516).

Almost surely, 2^126601115652 is an apocalyptic number.

126601115652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126601115652 is an abundant number, since it is smaller than the sum of its proper divisors (225396409500).

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

126601115652 is a wasteful number, since it uses less digits than its factorization.

126601115652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642190 (or 2642163 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 126601115652 in words is "one hundred twenty-six billion, six hundred one million, one hundred fifteen thousand, six hundred fifty-two".