126404526415 has 16 divisors (see below), whose sum is σ = 153904480128. Its totient is φ = 99646799616.

The previous prime is 126404526403. The next prime is 126404526421. The reversal of 126404526415 is 514625404621.

It is a cyclic number.

It is not a de Polignac number, because 126404526415 - 2¹³ = 126404518223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240522 + ... + 557368.

It is an arithmetic number, because the mean of its divisors is an integer number (9619030008).

Almost surely, 2^126404526415 is an apocalyptic number.

126404526415 is a deficient number, since it is larger than the sum of its proper divisors (27499953713).

126404526415 is a wasteful number, since it uses less digits than its factorization.

126404526415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318018.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 126404526415 in words is "one hundred twenty-six billion, four hundred four million, five hundred twenty-six thousand, four hundred fifteen".