1035742551381 has 24 divisors (see below), whose sum is σ = 1510951909376. Its totient is φ = 683661565440.

The previous prime is 1035742551341. The next prime is 1035742551407. The reversal of 1035742551381 is 1831552475301.

1035742551381 is a `hidden beast` number, since 1 + 0 + 3 + 57 + 4 + 2 + 5 + 513 + 81 = 666.

It is not a de Polignac number, because 1035742551381 - 2⁷ = 1035742551253 is a prime.

It is a super-3 number, since 3×1035742551381³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1035742551331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1046485 + ... + 1779498.

Almost surely, 2^{1035742551381} is an apocalyptic number.

It is an amenable number.

1035742551381 is a deficient number, since it is larger than the sum of its proper divisors (475209357995).

1035742551381 is a wasteful number, since it uses less digits than its factorization.

1035742551381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2826393 (or 2826390 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The spelling of 1035742551381 in words is "one trillion, thirty-five billion, seven hundred forty-two million, five hundred fifty-one thousand, three hundred eighty-one".