1353587978042 has 16 divisors (see below), whose sum is σ = 2085299210760. Its totient is φ = 658488979008.

The previous prime is 1353587977997. The next prime is 1353587978047. The reversal of 1353587978042 is 2408797853531.

It can be written as a sum of positive squares in 4 ways, for example, as 1079128293721 + 274459684321 = 1038811^2 + 523889^2 .

It is a super-3 number, since 3×1353587978042³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1353587978047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4213208 + ... + 4523084.

Almost surely, 2^{1353587978042} is an apocalyptic number.

1353587978042 is a deficient number, since it is larger than the sum of its proper divisors (731711232718).

1353587978042 is a wasteful number, since it uses less digits than its factorization.

1353587978042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368945.

The product of its (nonzero) digits is 50803200, while the sum is 62.

The spelling of 1353587978042 in words is "one trillion, three hundred fifty-three billion, five hundred eighty-seven million, nine hundred seventy-eight thousand, forty-two".