1144276481537 has 16 divisors (see below), whose sum is σ = 1311166617600. Its totient is φ = 978242942160.

The previous prime is 1144276481507. The next prime is 1144276481587. The reversal of 1144276481537 is 7351846724411.

It is a cyclic number.

It is not a de Polignac number, because 1144276481537 - 2¹² = 1144276477441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144276481507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13422914 + ... + 13507892.

It is an arithmetic number, because the mean of its divisors is an integer number (81947913600).

Almost surely, 2^{1144276481537} is an apocalyptic number.

It is an amenable number.

1144276481537 is a deficient number, since it is larger than the sum of its proper divisors (166890136063).

1144276481537 is an equidigital number, since it uses as much as digits as its factorization.

1144276481537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89996.

The product of its digits is 4515840, while the sum is 53.

The spelling of 1144276481537 in words is "one trillion, one hundred forty-four billion, two hundred seventy-six million, four hundred eighty-one thousand, five hundred thirty-seven".