401551335031541 has 8 divisors (see below), whose sum is σ = 411430794741120. Its totient is φ = 391727534250528.

The previous prime is 401551335031513. The next prime is 401551335031547. The reversal of 401551335031541 is 145130533155104.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401551335031541 is a prime.

It is a super-2 number, since 2×401551335031541² (a number of 30 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 (401551335031547) 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, 13914717536 + ... + 13914746393.

It is an arithmetic number, because the mean of its divisors is an integer number (51428849342640).

Almost surely, 2^{401551335031541} is an apocalyptic number.

It is an amenable number.

401551335031541 is a deficient number, since it is larger than the sum of its proper divisors (9879459709579).

401551335031541 is a wasteful number, since it uses less digits than its factorization.

401551335031541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27829464283.

The product of its (nonzero) digits is 270000, while the sum is 41.

Adding to 401551335031541 its reverse (145130533155104), we get a palindrome (546681868186645).

The spelling of 401551335031541 in words is "four hundred one trillion, five hundred fifty-one billion, three hundred thirty-five million, thirty-one thousand, five hundred forty-one".