11858629456 has 20 divisors (see below), whose sum is σ = 22980568212. Its totient is φ = 5928160256.

The previous prime is 11858629427. The next prime is 11858629481. The reversal of 11858629456 is 65492685811.

It can be written as a sum of positive squares in 2 ways, for example, as 5941943056 + 5916686400 = 77084^2 + 76920^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11858629397 and 11858629406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15840 + ... + 154816.

Almost surely, 2^11858629456 is an apocalyptic number.

11858629456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11858629456 is a deficient number, since it is larger than the sum of its proper divisors (11121938756).

11858629456 is a wasteful number, since it uses less digits than its factorization.

11858629456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144318 (or 144312 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 55.

The spelling of 11858629456 in words is "eleven billion, eight hundred fifty-eight million, six hundred twenty-nine thousand, four hundred fifty-six".