1245541133215 has 16 divisors (see below), whose sum is σ = 1573515796320. Its totient is φ = 943868661120.

The previous prime is 1245541133201. The next prime is 1245541133231. The reversal of 1245541133215 is 5123311455421.

It is not a de Polignac number, because 1245541133215 - 2⁷ = 1245541133087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83916 + ... + 1580545.

It is an arithmetic number, because the mean of its divisors is an integer number (98344737270).

Almost surely, 2^{1245541133215} is an apocalyptic number.

1245541133215 is a deficient number, since it is larger than the sum of its proper divisors (327974663105).

1245541133215 is a wasteful number, since it uses less digits than its factorization.

1245541133215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672362.

The product of its digits is 72000, while the sum is 37.

Adding to 1245541133215 its reverse (5123311455421), we get a palindrome (6368852588636).

The spelling of 1245541133215 in words is "one trillion, two hundred forty-five billion, five hundred forty-one million, one hundred thirty-three thousand, two hundred fifteen".