10115666554 has 8 divisors (see below), whose sum is σ = 17341142688. Its totient is φ = 4335285660.

The previous prime is 10115666551. The next prime is 10115666563. The reversal of 10115666554 is 45566651101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (10115666551) 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, 361273792 + ... + 361273819.

It is an arithmetic number, because the mean of its divisors is an integer number (2167642836).

Almost surely, 2^10115666554 is an apocalyptic number.

10115666554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10115666554 is a deficient number, since it is larger than the sum of its proper divisors (7225476134).

10115666554 is an equidigital number, since it uses as much as digits as its factorization.

10115666554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722547620.

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 10115666554 in words is "ten billion, one hundred fifteen million, six hundred sixty-six thousand, five hundred fifty-four".