10402001554115 has 4 divisors (see below), whose sum is σ = 12482401864944. Its totient is φ = 8321601243288.

The previous prime is 10402001554093. The next prime is 10402001554129. The reversal of 10402001554115 is 51145510020401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10402001554115 - 2¹² = 10402001550019 is a prime.

It is a Duffinian 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, 1040200155407 + ... + 1040200155416.

It is an arithmetic number, because the mean of its divisors is an integer number (3120600466236).

Almost surely, 2^{10402001554115} is an apocalyptic number.

10402001554115 is a deficient number, since it is larger than the sum of its proper divisors (2080400310829).

10402001554115 is an equidigital number, since it uses as much as digits as its factorization.

10402001554115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080400310828.

The product of its (nonzero) digits is 4000, while the sum is 29.

Adding to 10402001554115 its reverse (51145510020401), we get a palindrome (61547511574516).

The spelling of 10402001554115 in words is "ten trillion, four hundred two billion, one million, five hundred fifty-four thousand, one hundred fifteen".