1361102145542 has 32 divisors (see below), whose sum is σ = 2133644198400. Its totient is φ = 649977515968.

The previous prime is 1361102145503. The next prime is 1361102145631. The reversal of 1361102145542 is 2455412011631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193913309 + ... + 193920327.

It is an arithmetic number, because the mean of its divisors is an integer number (66676381200).

Almost surely, 2^{1361102145542} is an apocalyptic number.

1361102145542 is a deficient number, since it is larger than the sum of its proper divisors (772542052858).

1361102145542 is a wasteful number, since it uses less digits than its factorization.

1361102145542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12820.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 1361102145542 in words is "one trillion, three hundred sixty-one billion, one hundred two million, one hundred forty-five thousand, five hundred forty-two".