11455262621 has 16 divisors (see below), whose sum is σ = 13169578560. Its totient is φ = 9854369280.

The previous prime is 11455262573. The next prime is 11455262633. The reversal of 11455262621 is 12626255411.

It is a cyclic number.

It is not a de Polignac number, because 11455262621 - 2¹⁴ = 11455246237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11455262681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152045 + ... + 214541.

It is an arithmetic number, because the mean of its divisors is an integer number (823098660).

Almost surely, 2^11455262621 is an apocalyptic number.

11455262621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11455262621 is a deficient number, since it is larger than the sum of its proper divisors (1714315939).

11455262621 is a wasteful number, since it uses less digits than its factorization.

11455262621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63404.

The product of its digits is 28800, while the sum is 35.

The spelling of 11455262621 in words is "eleven billion, four hundred fifty-five million, two hundred sixty-two thousand, six hundred twenty-one".