126402526525 has 24 divisors (see below), whose sum is σ = 173396455488. Its totient is φ = 90634320000.

The previous prime is 126402526517. The next prime is 126402526541. The reversal of 126402526525 is 525625204621.

It is not a de Polignac number, because 126402526525 - 2³ = 126402526517 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 23 ways as a sum of consecutive naturals, for example, 3217416 + ... + 3256465.

It is an arithmetic number, because the mean of its divisors is an integer number (7224852312).

Almost surely, 2^126402526525 is an apocalyptic number.

It is an amenable number.

126402526525 is a deficient number, since it is larger than the sum of its proper divisors (46993928963).

126402526525 is a wasteful number, since it uses less digits than its factorization.

126402526525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6473973 (or 6473968 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 126402526525 in words is "one hundred twenty-six billion, four hundred two million, five hundred twenty-six thousand, five hundred twenty-five".