11554655465021 has 8 divisors (see below), whose sum is σ = 11593034668800. Its totient is φ = 11516310670480.

The previous prime is 11554655465011. The next prime is 11554655465029. The reversal of 11554655465021 is 12056455645511.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11554655465021 is a prime.

It is a super-3 number, since 3×11554655465021³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11554655465029) 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, 7929506 + ... + 9272883.

It is an arithmetic number, because the mean of its divisors is an integer number (1449129333600).

Almost surely, 2^{11554655465021} is an apocalyptic number.

It is an amenable number.

11554655465021 is a deficient number, since it is larger than the sum of its proper divisors (38379203779).

11554655465021 is a wasteful number, since it uses less digits than its factorization.

11554655465021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17204619.

The product of its (nonzero) digits is 3600000, while the sum is 50.

The spelling of 11554655465021 in words is "eleven trillion, five hundred fifty-four billion, six hundred fifty-five million, four hundred sixty-five thousand, twenty-one".