401253311551033 has 4 divisors (see below), whose sum is σ = 401322481236468. Its totient is φ = 401184141865600.

The previous prime is 401253311551007. The next prime is 401253311551051. The reversal of 401253311551033 is 330155113352104.

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

It can be written as a sum of positive squares in 2 ways, for example, as 255919750290064 + 145333561260969 = 15997492^2 + 12055437^2 .

It is a cyclic number.

It is not a de Polignac number, because 401253311551033 - 2¹³ = 401253311542841 is a prime.

It is a super-2 number, since 2×401253311551033² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401253311550983 and 401253311551001.

It is not an unprimeable number, because it can be changed into a prime (401253311551063) 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, 34584834016 + ... + 34584845617.

It is an arithmetic number, because the mean of its divisors is an integer number (100330620309117).

Almost surely, 2^{401253311551033} is an apocalyptic number.

It is an amenable number.

401253311551033 is a deficient number, since it is larger than the sum of its proper divisors (69169685435).

401253311551033 is an equidigital number, since it uses as much as digits as its factorization.

401253311551033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69169685434.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 401253311551033 in words is "four hundred one trillion, two hundred fifty-three billion, three hundred eleven million, five hundred fifty-one thousand, thirty-three".