11251640414551 has 4 divisors (see below), whose sum is σ = 11356795932552. Its totient is φ = 11146484896552.

The previous prime is 11251640414549. The next prime is 11251640414557. The reversal of 11251640414551 is 15541404615211.

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 11251640414551 - 2¹ = 11251640414549 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 (11251640414557) 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, 52577758840 + ... + 52577759053.

It is an arithmetic number, because the mean of its divisors is an integer number (2839198983138).

Almost surely, 2^{11251640414551} is an apocalyptic number.

11251640414551 is a deficient number, since it is larger than the sum of its proper divisors (105155518001).

11251640414551 is a wasteful number, since it uses less digits than its factorization.

11251640414551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105155518000.

The product of its (nonzero) digits is 96000, while the sum is 40.

The spelling of 11251640414551 in words is "eleven trillion, two hundred fifty-one billion, six hundred forty million, four hundred fourteen thousand, five hundred fifty-one".