1005255501242 has 16 divisors (see below), whose sum is σ = 1508949519264. Its totient is φ = 502272450000.

The previous prime is 1005255501233. The next prime is 1005255501307. The reversal of 1005255501242 is 2421055525001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1005255501199 and 1005255501208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18390392 + ... + 18444972.

It is an arithmetic number, because the mean of its divisors is an integer number (94309344954).

Almost surely, 2^{1005255501242} is an apocalyptic number.

1005255501242 is a deficient number, since it is larger than the sum of its proper divisors (503694018022).

1005255501242 is a wasteful number, since it uses less digits than its factorization.

1005255501242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60925.

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 1005255501242 in words is "one trillion, five billion, two hundred fifty-five million, five hundred one thousand, two hundred forty-two".