1253453523042 has 16 divisors (see below), whose sum is σ = 2865036624192. Its totient is φ = 358129578000.

The previous prime is 1253453523037. The next prime is 1253453523061. The reversal of 1253453523042 is 2403253543521.

It is a super-2 number, since 2×1253453523042² (a number of 25 digits) contains 22 as substring.

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, 14922065709 + ... + 14922065792.

It is an arithmetic number, because the mean of its divisors is an integer number (179064789012).

Almost surely, 2^{1253453523042} is an apocalyptic number.

1253453523042 is an abundant number, since it is smaller than the sum of its proper divisors (1611583101150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1253453523042 is a wasteful number, since it uses less digits than its factorization.

1253453523042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29844131513.

The product of its (nonzero) digits is 432000, while the sum is 39.

The spelling of 1253453523042 in words is "one trillion, two hundred fifty-three billion, four hundred fifty-three million, five hundred twenty-three thousand, forty-two".