36345506251 has 6 divisors (see below), whose sum is σ = 37642017452. Its totient is φ = 35092212120.

The previous prime is 36345506243. The next prime is 36345506273. The reversal of 36345506251 is 15260554363.

It is not a de Polignac number, because 36345506251 - 2³ = 36345506243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36345506651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21607665 + ... + 21609346.

Almost surely, 2^36345506251 is an apocalyptic number.

36345506251 is a deficient number, since it is larger than the sum of its proper divisors (1296511201).

36345506251 is an equidigital number, since it uses as much as digits as its factorization.

36345506251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43217069 (or 43217040 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 36345506251 in words is "thirty-six billion, three hundred forty-five million, five hundred six thousand, two hundred fifty-one".