1355542455531 has 48 divisors (see below), whose sum is σ = 2034566601984. Its totient is φ = 801948840000.

The previous prime is 1355542455521. The next prime is 1355542455541.

1355542455531 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (1355542455521) and next prime (1355542455541).

It is not a de Polignac number, because 1355542455531 - 2⁷ = 1355542455403 is a prime.

It is a super-3 number, since 3×1355542455531³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1355542455521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2342700 + ... + 2863446.

It is an arithmetic number, because the mean of its divisors is an integer number (42386804208).

Almost surely, 2^{1355542455531} is an apocalyptic number.

1355542455531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1355542455531 is a deficient number, since it is larger than the sum of its proper divisors (679024146453).

1355542455531 is a wasteful number, since it uses less digits than its factorization.

1355542455531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520944 (or 520933 counting only the distinct ones).

The product of its digits is 4500000, while the sum is 48.

The spelling of 1355542455531 in words is "one trillion, three hundred fifty-five billion, five hundred forty-two million, four hundred fifty-five thousand, five hundred thirty-one".