11401707851778 has 16 divisors (see below), whose sum is σ = 22811464948896. Its totient is φ = 3799227743040.

The previous prime is 11401707851761. The next prime is 11401707851783. The reversal of 11401707851778 is 87715870710411.

It is a super-2 number, since 2×11401707851778² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335366808 + ... + 335400803.

It is an arithmetic number, because the mean of its divisors is an integer number (1425716559306).

Almost surely, 2^{11401707851778} is an apocalyptic number.

11401707851778 is an abundant number, since it is smaller than the sum of its proper divisors (11409757097118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11401707851778 is a wasteful number, since it uses less digits than its factorization.

11401707851778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670770449.

The product of its (nonzero) digits is 3073280, while the sum is 57.

The spelling of 11401707851778 in words is "eleven trillion, four hundred one billion, seven hundred seven million, eight hundred fifty-one thousand, seven hundred seventy-eight".