11451146046461 has 4 divisors (see below), whose sum is σ = 12492159323424. Its totient is φ = 10410132769500.

The previous prime is 11451146046427. The next prime is 11451146046467. The reversal of 11451146046461 is 16464064115411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11451146046461 - 2⁶ = 11451146046397 is a prime.

It is a super-2 number, since 2×11451146046461² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11451146046467) 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, 520506638465 + ... + 520506638486.

It is an arithmetic number, because the mean of its divisors is an integer number (3123039830856).

Almost surely, 2^{11451146046461} is an apocalyptic number.

11451146046461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11451146046461 is a deficient number, since it is larger than the sum of its proper divisors (1041013276963).

11451146046461 is a wasteful number, since it uses less digits than its factorization.

11451146046461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041013276962.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 11451146046461 in words is "eleven trillion, four hundred fifty-one billion, one hundred forty-six million, forty-six thousand, four hundred sixty-one".