1144355511534 has 16 divisors (see below), whose sum is σ = 2388220198272. Its totient is φ = 364866974648.

The previous prime is 1144355511499. The next prime is 1144355511553. The reversal of 1144355511534 is 4351155534411.

It is a congruent number.

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, 4146215484 + ... + 4146215759.

It is an arithmetic number, because the mean of its divisors is an integer number (149263762392).

Almost surely, 2^{1144355511534} is an apocalyptic number.

1144355511534 is an abundant number, since it is smaller than the sum of its proper divisors (1243864686738).

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

1144355511534 is a wasteful number, since it uses less digits than its factorization.

1144355511534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8292431271.

The product of its digits is 360000, while the sum is 42.

The spelling of 1144355511534 in words is "one trillion, one hundred forty-four billion, three hundred fifty-five million, five hundred eleven thousand, five hundred thirty-four".