36437621327551 has 4 divisors (see below), whose sum is σ = 36545744833312. Its totient is φ = 36329497821792.

The previous prime is 36437621327539. The next prime is 36437621327557. The reversal of 36437621327551 is 15572312673463.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36437621327551 - 2²⁷ = 36437487109823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36437621327492 and 36437621327501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36437621327557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54061752375 + ... + 54061753048.

It is an arithmetic number, because the mean of its divisors is an integer number (9136436208328).

Almost surely, 2^{36437621327551} is an apocalyptic number.

36437621327551 is a deficient number, since it is larger than the sum of its proper divisors (108123505761).

36437621327551 is a wasteful number, since it uses less digits than its factorization.

36437621327551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108123505760.

The product of its digits is 19051200, while the sum is 55.

The spelling of 36437621327551 in words is "thirty-six trillion, four hundred thirty-seven billion, six hundred twenty-one million, three hundred twenty-seven thousand, five hundred fifty-one".