11451134450651 has 16 divisors (see below), whose sum is σ = 13416511163328. Its totient is φ = 9568500864000.

The previous prime is 11451134450617. The next prime is 11451134450689. The reversal of 11451134450651 is 15605443115411.

It is a cyclic number.

It is not a de Polignac number, because 11451134450651 - 2³⁸ = 11176256543707 is a prime.

It is a super-3 number, since 3×11451134450651³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 11451134450599 and 11451134450608.

It is not an unprimeable number, because it can be changed into a prime (11451130450651) 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, 14960750 + ... + 15707523.

It is an arithmetic number, because the mean of its divisors is an integer number (838531947708).

Almost surely, 2^{11451134450651} is an apocalyptic number.

11451134450651 is a deficient number, since it is larger than the sum of its proper divisors (1965376712677).

11451134450651 is a wasteful number, since it uses less digits than its factorization.

11451134450651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30669622.

The product of its (nonzero) digits is 144000, while the sum is 41.

The spelling of 11451134450651 in words is "eleven trillion, four hundred fifty-one billion, one hundred thirty-four million, four hundred fifty thousand, six hundred fifty-one".