11045123514551 has 32 divisors (see below), whose sum is σ = 13113336754176. Its totient is φ = 9103534272000.

The previous prime is 11045123514517. The next prime is 11045123514583. The reversal of 11045123514551 is 15541532154011.

It is not a de Polignac number, because 11045123514551 - 2¹⁸ = 11045123252407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11045123514251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27870671 + ... + 28264191.

It is an arithmetic number, because the mean of its divisors is an integer number (409791773568).

Almost surely, 2^{11045123514551} is an apocalyptic number.

11045123514551 is a deficient number, since it is larger than the sum of its proper divisors (2068213239625).

11045123514551 is a wasteful number, since it uses less digits than its factorization.

11045123514551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394383.

The product of its (nonzero) digits is 60000, while the sum is 38.

Adding to 11045123514551 its reverse (15541532154011), we get a palindrome (26586655668562).

The spelling of 11045123514551 in words is "eleven trillion, forty-five billion, one hundred twenty-three million, five hundred fourteen thousand, five hundred fifty-one".