10401555415231 has 4 divisors (see below), whose sum is σ = 10401598381000. Its totient is φ = 10401512449464.

The previous prime is 10401555415219. The next prime is 10401555415241. The reversal of 10401555415231 is 13251455510401.

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 10401555415231 - 2¹⁹ = 10401554890943 is a prime.

It is a super-2 number, since 2×10401555415231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10401555415241) 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, 21117681 + ... + 21604618.

It is an arithmetic number, because the mean of its divisors is an integer number (2600399595250).

Almost surely, 2^{10401555415231} is an apocalyptic number.

10401555415231 is a deficient number, since it is larger than the sum of its proper divisors (42965769).

10401555415231 is an equidigital number, since it uses as much as digits as its factorization.

10401555415231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42965768.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 10401555415231 in words is "ten trillion, four hundred one billion, five hundred fifty-five million, four hundred fifteen thousand, two hundred thirty-one".