11451455116461 has 24 divisors (see below), whose sum is σ = 16814930478944. Its totient is φ = 7507911008160.

The previous prime is 11451455116457. The next prime is 11451455116469. The reversal of 11451455116461 is 16461155415411.

11451455116461 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 14 + 5 + 511 + 64 + 61 = 666.

It is not a de Polignac number, because 11451455116461 - 2² = 11451455116457 is a prime.

It is a super-2 number, since 2×11451455116461² (a number of 27 digits) contains 22 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 (11451455116469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1611750 + ... + 5049816.

Almost surely, 2^{11451455116461} is an apocalyptic number.

It is an amenable number.

11451455116461 is a deficient number, since it is larger than the sum of its proper divisors (5363475362483).

11451455116461 is a wasteful number, since it uses less digits than its factorization.

11451455116461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444201 (or 3444198 counting only the distinct ones).

The product of its digits is 288000, while the sum is 45.

The spelling of 11451455116461 in words is "eleven trillion, four hundred fifty-one billion, four hundred fifty-five million, one hundred sixteen thousand, four hundred sixty-one".