11551542551342 has 16 divisors (see below), whose sum is σ = 18179476808064. Its totient is φ = 5497825644000.

The previous prime is 11551542551317. The next prime is 11551542551389. The reversal of 11551542551342 is 24315524515511.

It is a junction number, because it is equal to n+sod(n) for n = 11551542551293 and 11551542551302.

It is a congruent number.

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, 1527170009 + ... + 1527177572.

It is an arithmetic number, because the mean of its divisors is an integer number (1136217300504).

Almost surely, 2^{11551542551342} is an apocalyptic number.

11551542551342 is a deficient number, since it is larger than the sum of its proper divisors (6627934256722).

11551542551342 is a wasteful number, since it uses less digits than its factorization.

11551542551342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054347675.

The product of its digits is 600000, while the sum is 44.

The spelling of 11551542551342 in words is "eleven trillion, five hundred fifty-one billion, five hundred forty-two million, five hundred fifty-one thousand, three hundred forty-two".