401120500055251 has 8 divisors (see below), whose sum is σ = 407658262784960. Its totient is φ = 394598939960808.

The previous prime is 401120500055173. The next prime is 401120500055269. The reversal of 401120500055251 is 152550005021104.

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

It is a cyclic number.

It is not a de Polignac number, because 401120500055251 - 2²¹ = 401120497958099 is a prime.

It is a super-3 number, since 3×401120500055251³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401120500055851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4050608901 + ... + 4050707926.

It is an arithmetic number, because the mean of its divisors is an integer number (50957282848120).

Almost surely, 2^{401120500055251} is an apocalyptic number.

401120500055251 is a deficient number, since it is larger than the sum of its proper divisors (6537762729709).

401120500055251 is an equidigital number, since it uses as much as digits as its factorization.

401120500055251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8101317633.

The product of its (nonzero) digits is 10000, while the sum is 31.

Adding to 401120500055251 its reverse (152550005021104), we get a palindrome (553670505076355).

The spelling of 401120500055251 in words is "four hundred one trillion, one hundred twenty billion, five hundred million, fifty-five thousand, two hundred fifty-one".