11406062421 has 24 divisors (see below), whose sum is σ = 17746570296. Its totient is φ = 7017609600.

The previous prime is 11406062419. The next prime is 11406062431. The reversal of 11406062421 is 12426060411.

11406062421 is a `hidden beast` number, since 1 + 14 + 0 + 6 + 0 + 624 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3177576900 + 8228485521 = 56370^2 + 90711^2 .

It is not a de Polignac number, because 11406062421 - 2¹ = 11406062419 is a prime.

It is a super-3 number, since 3×11406062421³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11406062431) 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, 813571 + ... + 827471.

It is an arithmetic number, because the mean of its divisors is an integer number (739440429).

Almost surely, 2^11406062421 is an apocalyptic number.

It is an amenable number.

11406062421 is a deficient number, since it is larger than the sum of its proper divisors (6340507875).

11406062421 is a wasteful number, since it uses less digits than its factorization.

11406062421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20933 (or 20930 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 11406062421 in words is "eleven billion, four hundred six million, sixty-two thousand, four hundred twenty-one".