11551606512430 has 64 divisors (see below), whose sum is σ = 21920638722048. Its totient is φ = 4374399997440.

The previous prime is 11551606512427. The next prime is 11551606512437. The reversal of 11551606512430 is 3421560615511.

It is a super-2 number, since 2×11551606512430² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11551606512437) 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, 8395827 + ... + 9674353.

It is an arithmetic number, because the mean of its divisors is an integer number (342509980032).

Almost surely, 2^{11551606512430} is an apocalyptic number.

11551606512430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11551606512430 is a deficient number, since it is larger than the sum of its proper divisors (10369032209618).

11551606512430 is a wasteful number, since it uses less digits than its factorization.

11551606512430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278961.

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 11551606512430 in words is "eleven trillion, five hundred fifty-one billion, six hundred six million, five hundred twelve thousand, four hundred thirty".