11456121629 has 8 divisors (see below), whose sum is σ = 11632231680. Its totient is φ = 11280530016.

The previous prime is 11456121623. The next prime is 11456121661. The reversal of 11456121629 is 92612165411.

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 11456121629 - 2²⁸ = 11187686173 is a prime.

It is a super-2 number, since 2×11456121629² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11456121592 and 11456121601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11456121623) 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, 84959 + ... + 173580.

It is an arithmetic number, because the mean of its divisors is an integer number (1454028960).

Almost surely, 2^11456121629 is an apocalyptic number.

It is an amenable number.

11456121629 is a deficient number, since it is larger than the sum of its proper divisors (176110051).

11456121629 is an equidigital number, since it uses as much as digits as its factorization.

11456121629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259219.

The product of its digits is 25920, while the sum is 38.

The spelling of 11456121629 in words is "eleven billion, four hundred fifty-six million, one hundred twenty-one thousand, six hundred twenty-nine".