1055531550242 has 24 divisors (see below), whose sum is σ = 1804692695760. Its totient is φ = 461527962480.

The previous prime is 1055531550233. The next prime is 1055531550313. The reversal of 1055531550242 is 2420551355501.

It is a super-2 number, since 2×1055531550242² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 1055531550196 and 1055531550205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82174484 + ... + 82187327.

It is an arithmetic number, because the mean of its divisors is an integer number (75195528990).

Almost surely, 2^{1055531550242} is an apocalyptic number.

1055531550242 is a deficient number, since it is larger than the sum of its proper divisors (749161145518).

1055531550242 is a wasteful number, since it uses less digits than its factorization.

1055531550242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164361858 (or 164361845 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 1055531550242 in words is "one trillion, fifty-five billion, five hundred thirty-one million, five hundred fifty thousand, two hundred forty-two".