11874537553 has 8 divisors (see below), whose sum is σ = 12612708072. Its totient is φ = 11140774656.

The previous prime is 11874537541. The next prime is 11874537601. The reversal of 11874537553 is 35573547811.

It can be written as a sum of positive squares in 4 ways, for example, as 4870849 + 11869666704 = 2207^2 + 108948^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11874537553 - 2¹³ = 11874529361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11874537497 and 11874537506.

It is not an unprimeable number, because it can be changed into a prime (11874537503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1096350 + ... + 1107127.

It is an arithmetic number, because the mean of its divisors is an integer number (1576588509).

Almost surely, 2^11874537553 is an apocalyptic number.

It is an amenable number.

11874537553 is a deficient number, since it is larger than the sum of its proper divisors (738170519).

11874537553 is a wasteful number, since it uses less digits than its factorization.

11874537553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203811.

The product of its digits is 1764000, while the sum is 49.

The spelling of 11874537553 in words is "eleven billion, eight hundred seventy-four million, five hundred thirty-seven thousand, five hundred fifty-three".