1054201511215 has 16 divisors (see below), whose sum is σ = 1269086385600. Its totient is φ = 840668355072.

The previous prime is 1054201511213. The next prime is 1054201511261. The reversal of 1054201511215 is 5121151024501.

It is a cyclic number.

It is not a de Polignac number, because 1054201511215 - 2¹ = 1054201511213 is a prime.

It is a super-2 number, since 2×1054201511215² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054201511213) 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, 2179431 + ... + 2618839.

It is an arithmetic number, because the mean of its divisors is an integer number (79317899100).

Almost surely, 2^{1054201511215} is an apocalyptic number.

1054201511215 is a deficient number, since it is larger than the sum of its proper divisors (214884874385).

1054201511215 is a wasteful number, since it uses less digits than its factorization.

1054201511215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440946.

The product of its (nonzero) digits is 2000, while the sum is 28.

Adding to 1054201511215 its reverse (5121151024501), we get a palindrome (6175352535716).

The spelling of 1054201511215 in words is "one trillion, fifty-four billion, two hundred one million, five hundred eleven thousand, two hundred fifteen".