11552550457 has 8 divisors (see below), whose sum is σ = 13262122496. Its totient is φ = 9857780352.

The previous prime is 11552550437. The next prime is 11552550463. The reversal of 11552550457 is 75405525511.

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

It is not a de Polignac number, because 11552550457 - 2¹¹ = 11552548409 is a prime.

It is a super-2 number, since 2×11552550457² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11552550407) 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, 3698808 + ... + 3701929.

It is an arithmetic number, because the mean of its divisors is an integer number (1657765312).

Almost surely, 2^11552550457 is an apocalyptic number.

It is an amenable number.

11552550457 is a deficient number, since it is larger than the sum of its proper divisors (1709572039).

11552550457 is an equidigital number, since it uses as much as digits as its factorization.

11552550457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7400967.

The product of its (nonzero) digits is 175000, while the sum is 40.

The spelling of 11552550457 in words is "eleven billion, five hundred fifty-two million, five hundred fifty thousand, four hundred fifty-seven".