425136156601 has 16 divisors (see below), whose sum is σ = 482562858960. Its totient is φ = 371752093440.

The previous prime is 425136156589. The next prime is 425136156611. The reversal of 425136156601 is 106651631524.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 33386598400 + 391749558201 = 182720^2 + 625899^2 .

It is not a de Polignac number, because 425136156601 - 2²³ = 425127767993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425136156611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10618530 + ... + 10658491.

It is an arithmetic number, because the mean of its divisors is an integer number (30160178685).

Almost surely, 2^425136156601 is an apocalyptic number.

It is an amenable number.

425136156601 is a deficient number, since it is larger than the sum of its proper divisors (57426702359).

425136156601 is a wasteful number, since it uses less digits than its factorization.

425136156601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21277116.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 425136156601 in words is "four hundred twenty-five billion, one hundred thirty-six million, one hundred fifty-six thousand, six hundred one".