11451551026003 has 4 divisors (see below), whose sum is σ = 12492601119288. Its totient is φ = 10410500932720.

The previous prime is 11451551025989. The next prime is 11451551026007. The reversal of 11451551026003 is 30062015515411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11451551026003 - 2²⁵ = 11451517471571 is a prime.

It is a super-2 number, since 2×11451551026003² (a number of 27 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 11451551026003.

It is not an unprimeable number, because it can be changed into a prime (11451551026007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520525046626 + ... + 520525046647.

It is an arithmetic number, because the mean of its divisors is an integer number (3123150279822).

Almost surely, 2^{11451551026003} is an apocalyptic number.

11451551026003 is a deficient number, since it is larger than the sum of its proper divisors (1041050093285).

11451551026003 is a wasteful number, since it uses less digits than its factorization.

11451551026003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041050093284.

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 11451551026003 in words is "eleven trillion, four hundred fifty-one billion, five hundred fifty-one million, twenty-six thousand, three".