1352555057631 has 4 divisors (see below), whose sum is σ = 1803406743512. Its totient is φ = 901703371752.

The previous prime is 1352555057569. The next prime is 1352555057639. The reversal of 1352555057631 is 1367505552531.

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

It is not a de Polignac number, because 1352555057631 - 2¹¹ = 1352555055583 is a prime.

It is a super-2 number, since 2×1352555057631² (a number of 25 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 (1352555057639) 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, 225425842936 + ... + 225425842941.

It is an arithmetic number, because the mean of its divisors is an integer number (450851685878).

Almost surely, 2^{1352555057631} is an apocalyptic number.

1352555057631 is a deficient number, since it is larger than the sum of its proper divisors (450851685881).

1352555057631 is an equidigital number, since it uses as much as digits as its factorization.

1352555057631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450851685880.

The product of its (nonzero) digits is 2362500, while the sum is 48.

The spelling of 1352555057631 in words is "one trillion, three hundred fifty-two billion, five hundred fifty-five million, fifty-seven thousand, six hundred thirty-one".