11451455042642 has 16 divisors (see below), whose sum is σ = 17293171464600. Its totient is φ = 5687183335680.

The previous prime is 11451455042623. The next prime is 11451455042707. The reversal of 11451455042642 is 24624055415411.

It can be written as a sum of positive squares in 4 ways, for example, as 9468796733881 + 1982658308761 = 3077141^2 + 1408069^2 .

It is a super-2 number, since 2×11451455042642² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11451455042593 and 11451455042602.

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, 29502167 + ... + 29887802.

Almost surely, 2^{11451455042642} is an apocalyptic number.

11451455042642 is a deficient number, since it is larger than the sum of its proper divisors (5841716421958).

11451455042642 is a wasteful number, since it uses less digits than its factorization.

11451455042642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59390621.

The product of its (nonzero) digits is 768000, while the sum is 44.

The spelling of 11451455042642 in words is "eleven trillion, four hundred fifty-one billion, four hundred fifty-five million, forty-two thousand, six hundred forty-two".