126302261511 has 16 divisors (see below), whose sum is σ = 169684599168. Its totient is φ = 83563140000.

The previous prime is 126302261509. The next prime is 126302261581. The reversal of 126302261511 is 115162203621.

It is not a de Polignac number, because 126302261511 - 2¹ = 126302261509 is a prime.

It is a super-2 number, since 2×126302261511² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126302261581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94185 + ... + 511346.

It is an arithmetic number, because the mean of its divisors is an integer number (10605287448).

Almost surely, 2^126302261511 is an apocalyptic number.

126302261511 is a deficient number, since it is larger than the sum of its proper divisors (43382337657).

126302261511 is a wasteful number, since it uses less digits than its factorization.

126302261511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606062.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 126302261511 in words is "one hundred twenty-six billion, three hundred two million, two hundred sixty-one thousand, five hundred eleven".