1253183861111 has 72 divisors (see below), whose sum is σ = 1624108202064. Its totient is φ = 963320117760.

The previous prime is 1253183861057. The next prime is 1253183861117. The reversal of 1253183861111 is 1111683813521.

It is not a de Polignac number, because 1253183861111 - 2³⁴ = 1236003991927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253183861117) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 40486901 + ... + 40517841.

It is an arithmetic number, because the mean of its divisors is an integer number (22557058362).

Almost surely, 2^{1253183861111} is an apocalyptic number.

1253183861111 is a deficient number, since it is larger than the sum of its proper divisors (370924340953).

1253183861111 is a wasteful number, since it uses less digits than its factorization.

1253183861111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31121 (or 31101 counting only the distinct ones).

The product of its digits is 34560, while the sum is 41.

The spelling of 1253183861111 in words is "one trillion, two hundred fifty-three billion, one hundred eighty-three million, eight hundred sixty-one thousand, one hundred eleven".