1355427574537 has 2 divisors, whose sum is σ = 1355427574538. Its totient is φ = 1355427574536.

The previous prime is 1355427574519. The next prime is 1355427574541. The reversal of 1355427574537 is 7354757245531.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1320616970761 + 34810603776 = 1149181^2 + 186576^2 .

It is a cyclic number.

It is not a de Polignac number, because 1355427574537 - 2¹⁹ = 1355427050249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1355427574597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677713787268 + 677713787269.

It is an arithmetic number, because the mean of its divisors is an integer number (677713787269).

Almost surely, 2^{1355427574537} is an apocalyptic number.

It is an amenable number.

1355427574537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355427574537 is an equidigital number, since it uses as much as digits as its factorization.

1355427574537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61740000, while the sum is 58.

The spelling of 1355427574537 in words is "one trillion, three hundred fifty-five billion, four hundred twenty-seven million, five hundred seventy-four thousand, five hundred thirty-seven".