2251513333011 has 16 divisors (see below), whose sum is σ = 3083201153024. Its totient is φ = 1460418457824.

The previous prime is 2251513332983. The next prime is 2251513333037. The reversal of 2251513333011 is 1103333151522.

It is not a de Polignac number, because 2251513333011 - 2⁶ = 2251513332947 is a prime.

It is a super-2 number, since 2×2251513333011² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2251513333011.

It is not an unprimeable number, because it can be changed into a prime (2251513333411) 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, 9965646 + ... + 10189068.

It is an arithmetic number, because the mean of its divisors is an integer number (192700072064).

Almost surely, 2^{2251513333011} is an apocalyptic number.

2251513333011 is a deficient number, since it is larger than the sum of its proper divisors (831687820013).

2251513333011 is a wasteful number, since it uses less digits than its factorization.

2251513333011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314250.

The product of its (nonzero) digits is 8100, while the sum is 30.

Adding to 2251513333011 its reverse (1103333151522), we get a palindrome (3354846484533).

The spelling of 2251513333011 in words is "two trillion, two hundred fifty-one billion, five hundred thirteen million, three hundred thirty-three thousand, eleven".