531401551141 has 16 divisors (see below), whose sum is σ = 594197783424. Its totient is φ = 472633452544.

The previous prime is 531401551117. The next prime is 531401551147. The reversal of 531401551141 is 141155104135.

It is a cyclic number.

It is not a de Polignac number, because 531401551141 - 2¹⁹ = 531401026853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531401551147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8154796 + ... + 8219701.

It is an arithmetic number, because the mean of its divisors is an integer number (37137361464).

Almost surely, 2^531401551141 is an apocalyptic number.

It is an amenable number.

531401551141 is a deficient number, since it is larger than the sum of its proper divisors (62796232283).

531401551141 is a wasteful number, since it uses less digits than its factorization.

531401551141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16374620.

The product of its (nonzero) digits is 6000, while the sum is 31.

Adding to 531401551141 its reverse (141155104135), we get a palindrome (672556655276).

The spelling of 531401551141 in words is "five hundred thirty-one billion, four hundred one million, five hundred fifty-one thousand, one hundred forty-one".