11351403042555 has 32 divisors (see below), whose sum is σ = 18297398043648. Its totient is φ = 6009043040000.

The previous prime is 11351403042527. The next prime is 11351403042559. The reversal of 11351403042555 is 55524030415311.

It is not a de Polignac number, because 11351403042555 - 2⁹ = 11351403042043 is a prime.

It is a super-2 number, since 2×11351403042555² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11351403042559) 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, 14309080 + ... + 15081530.

It is an arithmetic number, because the mean of its divisors is an integer number (571793688864).

Almost surely, 2^{11351403042555} is an apocalyptic number.

11351403042555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11351403042555 is a deficient number, since it is larger than the sum of its proper divisors (6945995001093).

11351403042555 is a wasteful number, since it uses less digits than its factorization.

11351403042555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779747.

The product of its (nonzero) digits is 180000, while the sum is 39.

Adding to 11351403042555 its reverse (55524030415311), we get a palindrome (66875433457866).

The spelling of 11351403042555 in words is "eleven trillion, three hundred fifty-one billion, four hundred three million, forty-two thousand, five hundred fifty-five".